- Abbott
- Abbott Crossing (historical)
- Abingdon
- Ace Mobile Home Park
- Ackley
- Ackworth
- Adair
- Adair County
- Adams County
- Adaville
- Adaza
- Adel
- Adelphi
- Afton
- Afton Junction (historical)
- Agency
- Agricola (historical)
- Ainsworth
- Akron
- Albany
- Albaton
- Albert City
- Albia
- Albion
- Alburnett
- Alden
- Alden Station (historical)
- Alexander
- Algona
- Alice
- Allamakee County
- Alleman
- Allen
- Allendorf
- Allerton
- Allison
- Almont
- Almoral
- Almoral Siding (historical)
- Alpha
- Alta
- Alta Vista
- Alton
- Altoona
- Alvord
- Amana
- Amber
- Ambrose
- Ames
- Amish
- Amund
- Anamosa
- Anderson
- Andover
- Andrew
- Andrew Mobile Home Park
- Andrews
- Angus
- Anita
- Ankeny
- Anthon
- Aplington
- Appanoose County
- Arbor Hill
- Arbor Lake Mobile Home Community
- Arcadia
- Archer
- Ardon
- Aredale
- Argand
- Argo
- Argyle
- Arion
- Arispe
- Arlington
- Armah
- Armel Acres Mobile Home Estates
- Armour
- Armstrong
- Arnold
- Arnolds Park
- Arrowhead Mobile Home Park
- Artesian
- Arthur
- Asbury
- Ascot
- Ashawa
- Ash Grove
- Ashland
- Ashton
- Aspinwall
- Astor
- Atalissa
- Athelstan
- Atkins
- Atlantic
- Attica
- Atwood
- Auburn
- Audubon
- Audubon County
- Augusta
- Aurelia
- Aureola
- Aurora
- Austinville
- Avery
- Avoca
- Avon
- Avon Lake
- Ayresville
- Ayrshire
- Aztec Mobile Home Park
- Baculis Mobile Home Park
- Badger
- Bagley
- Bailey
- Baird
- Baldwin
- Balfour
- Bali Hai Estates Mobile Home Park
- Balltown
- Ballyclough
- Baltimore (historical)
- Bancroft
- Bangor
- Bankston
- Bard
- Bar-Jac Mobile Estates
- Barnes City
- Barney
- Barnum
- Barrell
- Bartlett
- Bassett
- Batavia
- Battle Creek
- Bauer
- Baxter
- Bayard
- Beaches Resort
- Beacon
- Beaconsfield
- Beaman
- Beaver
- Beaverdale
- Beckwith
- Bedford
- Beebeetown
- Beech
- Belfast (historical)
- Belinda
- Belknap
- Bell
- Bellair (historical)
- Bellefountain
- Belle Plaine
- Bellevue
- Belmond
- Beloit
- Benan (historical)
- Ben Haven Mobile Home Park
- Bennett
- Bennettsville
- Benson
- Bentley
- Benton
- Benton City (historical)
- Benton County
- Bentonsport
- Benton Station (historical)
- Berea
- Berkley
- Berlin
- Bernard
- Berne
- Bernhart
- Bernina
- Bertram
- Berwick
- Bethany Hall
- Bethel
- Bethelhem
- Bethesda
- Bettendorf
- Beulah
- Beverly Depot
- Bevington
- Biddick (historical)
- Bidwell
- Big Mound
- Big Rock
- Big Spring (historical)
- Bingham
- Birchwood Estates
- Birmingham
- Black Corners
- Blackhawk
- Black Hawk
- Black Hawk County
- Bladensburg
- Blairsburg
- Blairstown
- Blakesburg
- Blanchard
- Blanden
- Blencoe
- Blessing
- Bliedorn
- Blockly
- Blockton
- Bloomfield
- Bloomington
- Blue Bird Mobile Park
- Blue Grass
- Bluff Acres Mobile Home Park
- Bluff Creek
- Bluff Park
- Bluffton
- Bode
- Boies
- Bolan
- Bolton
- Bonair
- Bon-Aire Mobile Home Lodge
- Bonaparte
- Bondurant
- Boone
- Boone County
- Booneville
- Border Plains
- Botna
- Bouton
- Bowsher
- Boxholm
- Boyd
- Boyden
- Boyer
- Boyer River
- Braddyville
- Bradford
- Bradgate
- Brainard
- Brandon
- Brayton
- Brazil
- Breckenridge Estates
- Breda
- Bremer
- Bremer County
- Bricker
- Bridgeport
- Bridgewater
- Brighton
- Bristol
- Bristow
- Britt
- Brogan (historical)
- Bromley
- Brompton
- Bronson
- Brookdale
- Brooklyn
- Brook Mount
- Brooks
- Brookville
- Browns
- Brownsville
- Brownville
- Brucewell
- Brunsville
- Brushy
- Bryant
- Bryantsburg
- Bubona (historical)
- Buchanan
- Buchanan County
- Buck Creek
- Buckeye
- Buck Grove
- Buckhorn
- Buckingham
- Buckingham (historical)
- Bucknell
- Budd
- Buena Vista
- Buena Vista County
- Buena Vista (historical)
- Buffalo
- Buffalo Center
- Buffalo Heights
- Bulgers Hollow
- Bullard
- Burchinal
- Burdette
- Burlington
- Burnside
- Burr Oak
- Burt
- Bushville
- Business Corners (historical)
- Bussey
- Butler Center
- Butler County
- Buxton
- Cairo
- Calamus
- Caldwell Siding
- Caledonia (historical)
- Calhoun
- Calhoun County
- California Junction
- Callender
- Calmar
- Caloma
- Calumet
- Camanche
- Cambria
- Cambridge
- Cameron
- Campbell
- Camp Dodge
- Canby
- Candlelight Trailer Court
- Canfield
- Canoe
- Canton
- Cantril
- Capitol Heights
- Carbon
- Carbondale
- Carl
- Carlisle
- Carlton Mobile Home Court
- Carmel
- Carnarvon
- Carnes
- Carney
- Carnforth
- Carpenter
- Carriage Place
- Carroll
- Carroll Community Estates
- Carroll County
- Carrollton
- Carrville
- Carson
- Carter Lake
- Cartersville
- Cascade
- Casey
- Casino Beach
- Cass
- Cass County
- Castalia
- Castana
- Castle Grove
- Cathedral Square
- Cattese
- Cedar
- Cedar Bluff
- Cedar City
- Cedar County
- Cedar Falls
- Cedar Falls Junction
- Cedar Falls Mobile Home Park
- Cedar Falls Mobile Home Village
- Cedar Hills
- Cedar Knoll Park
- Cedar Rapids
- Cedar Valley
- Centerdale
- Center Grove
- Center Junction
- Center Point
- Centerville
- Central City
- Central Heights
- Centralia
- Ceres
- Cerro Gordo County
- Chaney
- Chapel Hill (historical)
- Chapin
- Chariton
- Charles City
- Charleston
- Charlotte
- Charter Oak
- Chatsworth
- Chautauqua
- Chelsea
- Cheney
- Chequest
- Cherokee
- Cherokee County
- Chester
- Chickasaw
- Chickasaw County
- Chillicothe
- Church
- Churchville
- Churdan
- Cincinnati
- City of Algona
- City of Belle Plaine
- City of Bloomfield
- City of Carroll
- City of Cedar Rapids
- City of Centerville
- City of Chariton
- City of Clear Lake
- City of Clinton
- City of Creston
- City of Dubuque
- City of Eldora
- City of Fairfield
- City of Fayette
- City of Fort Dodge
- City of Grinnell
- City of Hamburg
- City of Hampton
- City of Harlan
- City of Humboldt
- City of Indianola
- City of Jefferson
- City of Keokuk
- City of Lamoni
- City of Leon
- City of Malvern
- City of Manning
- City of Mount Ayr
- City of Mount Pleasant
- City of Onawa
- City of Osceola
- City of Oskaloosa
- City of Rolfe
- City of Sheffield
- City of Shellsburg
- City of Sioux Rapids
- City of Spencer
- City of Storm Lake
- City of Sumner
- City of Tabor
- City of Vinton
- City of Waterloo
- City of Waverly
- City of West Union
- City of Winterset
- Clara
- Clare
- Clarence
- Clarinda
- Clarinda Junction (historical)
- Clarion
- Clark
- Clarkdale
- Clarke County
- Clarkson (historical)
- Clarksville
- Clay County
- Clay Mills
- Clayton
- Clayton Center
- Clayton County
- Clear Creek Mobile Home Park
- Clearfield
- Clear Lake
- Cleghorn
- Clemons
- Clermont
- Cleves
- Cliffland
- Climax
- Climbing Hill
- Clinton
- Clinton Center
- Clinton County
- Clinton Stock Yards
- Clio
- Clive
- Cloud
- Cloverdale
- Clucas
- Clutier
- Clyde
- Coal City
- Coal Creek
- Coal Siding (historical)
- Coal Valley
- Coalville
- Coburg
- Coggon
- Coin
- Colesburg
- Colfax
- College Springs
- Collett
- Collins
- Colo
- Colonial Estates Mobile Home Park
- Colonial Terrace Mobile Home Park
- Columbia
- Columbus City
- Columbus Junction
- Colwell
- Commerce
- Communia
- Competine
- Conesville
- Confidence
- Conger
- Congers Mobile Home Park
- Conover
- Conrad
- Conroy
- Consol
- Conway
- Cool
- Coon Rapids
- Cooper
- Coppock
- Coral Trailer Park
- Coralville
- Cordova
- Corley
- Cornelia
- Cornell
- Corning
- Correctionville
- Corwith
- Corydon
- Corydon (historical)
- Cosgrove
- Coster
- Cottage Hill
- Cotter
- Cottonville
- Cou Falls
- Coulter
- Council Bluffs
- Country Aire Home Park
- Country Aire Mobile Home Park
- Country Court Mobile Home Park
- Country Estates Mobile Home Park
- Country Estate Village
- Country Living Mobile Home Park
- Countryside Mobile Home Court
- Country View Mobile Home Park
- Country Villa Mobile Home Park
- Covington
- Crab Town
- Craig
- Crain Creek (historical)
- Cranston
- Crathorne
- Crawford County
- Crawfordsville
- Creamery
- Crescent
- Crescent Beach Resort
- Cresco
- Creston
- Crestview Mobile Home Park
- Crestwood
- Creswell
- Cricket
- Crisp
- Crocker
- Cromwell
- Croton
- Crows Nest Resort
- Crystal Lake
- Cumberland
- Cumming
- Curlew
- Curtis (historical)
- Cushing
- Cylinder
- Cypsum City (historical)
- Dahlonega
- Dairyville
- Dakota City
- Dakota Mobile Home Park
- Dalby
- Dale
- Dales Ford
- Dallas Center
- Dallas County
- Dana
- Danbury
- Danville
- Danville Center
- Darbyville
- Davenport
- Davis City
- Davis Corners
- Davis County
- Dawson
- Dayfield
- Dayton
- Dayton (historical)
- Daytonville
- Dean
- Decatur City
- Decatur County
- Decorah
- Dedham
- Deep River
- Deer Creek
- Deerfield
- Defiance
- Delaware
- Delaware County
- Delhi
- Delmar
- Deloit
- Delphos
- Delta
- Denhart
- Denison
- Denmark
- Denova
- Denver
- Depew
- Derby
- Des Moines
- Des Moines County
- De Soto
- Devils Glen Mobile Home Court
- Devon
- Dewar
- Dewey
- De Witt
- Dexter
- Diagonal
- Diamond
- Dickens
- Dickieville
- Dickinson County
- Dietrick Mobile Home Park
- Dike
- Dillon
- Dinsdale
- Dixie
- Dixon
- Dodgeville
- Dolliver
- Donahue
- Donley Station (historical)
- Donnan
- Donnelley
- Donnellson
- Doon
- Dorchester
- Doris
- Doubleday
- Douds
- Dougherty
- Douglass
- Dover
- Dover (historical)
- Dover Mills
- Dow City
- Downers Grove
- Downey
- Dows
- Drakesville
- Dresden
- Drew
- Dubuque
- Dubuque County
- Dudley
- Dumfries
- Dumont
- Dunbar
- Duncan
- Duncombe
- Dundee
- Dunkerton
- Dunlap
- Dunnville (historical)
- Durango
- Durant
- Durham
- Dutchtown
- Dyersville
- Dysart
- Eagle Center
- Eagle City
- Eagle Grove
- Eagle Point
- Eagle Ridge Community
- Earlham
- Earling
- Earlville
- Early
- Easley
- East Amana
- East Canton
- East Creston
- East Des Moines
- Eastgate Estate Park
- East Iron Hills
- East Monticello
- Easton Place
- East Ottumwa
- East Peru
- East Pleasant Plain
- East Port (historical)
- East Rapids
- East Rickardsville
- Ebys Mill
- Echo
- Echo Valley Mobile Home Park
- Eckards
- Eddyville
- Eden
- Edenville
- Edgewood
- Edinburg
- Edmore
- Edna
- Edwards (historical)
- Egan
- Egralharve
- Ehler
- Eifield (historical)
- Elberon
- Eldergrove
- Eldon
- Eldora
- Eldorado
- Eldridge
- Eleanor
- Elgin
- Elkader
- Elkhart
- Elk Horn
- Elkport
- Elk River Junction
- Elk Run Heights
- Elkton
- Elliott
- Ellmaker
- Ellston
- Ellsworth
- Elma
- Elmira
- Elm Spring
- Elon
- Elrick Junction
- Elvira
- Elwood
- Ely
- Emeline
- Emerson
- Emery
- Emmet County
- Emmetsburg
- Enterprise
- Epworth
- Erdmann Trailer Court
- Ericson
- Essex
- Estates West
- Estherville
- Euclid
- Eureka
- Eureka (historical)
- Evander
- Evans
- Evansdale
- Evanston
- Eveland
- Evergreen Village
- Everly
- Ewart
- Exeelsior
- Exira
- Exline
- Fairbank
- Fairfax
- Fairfield
- Fairport
- Fairview
- Fairville
- Fallow
- Fanslers
- Farley
- Farlin
- Farmersburg
- Farmington
- Farnhamville
- Farragut
- Farrar
- Farson
- Faulkner
- Fayette
- Fayette County
- Fenton
- Ferguson
- Fern
- Fernald
- Fertile
- Festina
- Fielding
- Fillmore
- Finchford
- Findley
- Fiscus
- Fisk
- Five Points
- Five Seasons Manufactured Home Community
- Five Seasons Mobile Home Park
- Flagler
- Florence
- Florenceville
- Floris
- Floyd
- Floyd County
- Floyd Crossing
- Flugstad (historical)
- Folletts
- Folsom
- Fonda
- Fontanelle
- Forbush
- Ford
- Forest City
- Forest City (historical)
- Forest Park Mobile Home Court
- Forest View Trailer Court
- Forestville
- Forsyth
- Fort Atkinson
- Fort Des Moines
- Fort Dodge
- Fort Madison
- Foster
- Fostoria
- Frankfort (historical)
- Franklin
- Franklin County
- Frankville
- Fraser
- Frederic
- Fredericksburg
- Frederika
- Fredonia
- Fredsville
- Freeman
- Freeport
- Fremont
- Fremont County
- Frith Spur
- Froelich
- Fruitland
- Fulton
- Galbraith
- Galesburg
- Galland
- Galt
- Galva
- Gambrill (historical)
- Garber
- Garden City
- Garden Grove
- Gardiner
- Gardner
- Garfield
- Garland
- Garnavillo
- Garner
- Garretville
- Garrison
- Garry Owen
- Garwin
- Gas Light Mobile Home Villa
- Gaslight Square Trailer Park
- Gatesville
- Gaza
- Geneva
- Genoa
- George
- Georgetown
- Gerled
- Germantown
- German Valley
- Germanville
- Giard
- Giard Station (historical)
- Gibbsville
- Gibson
- Gifford
- Gilbert
- Gilbertville
- Gilead
- Gillett Grove
- Gilliatt
- Gilman
- Gilmore City
- Gilt Edge
- Givin
- Gladbrook
- Glade
- Gladstone
- Gladwin
- Glasgow
- Glasgow (historical)
- Glendale Mobile Home Park
- Glendon
- Glen Ellen
- Glenwood
- Glidden
- Goddard
- Golden
- Golden Arrow Mobile Park
- Golden Spike Mobile Home Park
- Goldfield
- Golf View Mobile Home Court
- Gonoa Bluff
- Goodell
- Goose Lake
- Gosport
- Gowrie
- Grable
- Grace Hill
- Graettinger
- Graf
- Grafton
- Graham (historical)
- Granada Mobile Home Park
- Grand Junction
- Grand Mound
- Grand River
- Grandview
- Grand View Village
- Grandview Village Mobile Home Park
- Granger
- Granger Homesteads
- Granite
- Grant
- Grant City
- Granville
- Granville (historical)
- Gravel Pit
- Gravity
- Gray
- Great Oaks
- Greeley
- Green Acres
- Green Acres Mobile Home Park
- Green Bay (historical)
- Green Brier
- Greenbush
- Green Castle
- Green Castle (historical)
- Green Center
- Greene
- Greene County
- Greenfield
- Greenfield Park Mobile Home Court
- Green Island
- Green Meadows Mobile Home Park
- Green Mountain
- Green Valley Mobile Home Court
- Greenville
- Gridley
- Griffen
- Grimes
- Grinnell
- Griswold
- Grove City (historical)
- Groveland (historical)
- Grundy Center
- Grundy County
- Gruver
- Guernsey
- Gunder
- Guss
- Guthrie Center
- Guthrie County
- Guttenberg
- Hagerty
- Halbur
- Hale
- Haley
- Halfa
- Hamburg
- Hamerville
- Hamilton
- Hamilton County
- Hamlin
- Hammondsburgh (historical)
- Hampton
- Hancock
- Hancock County
- Hanford
- Hanley
- Hanlontown
- Hanna
- Hanover
- Hansell
- Harcourt
- Hardin
- Hardin County
- Hard Scratch
- Hardy
- Harlan
- Harlan Junction (historical)
- Harlan Trailer Court
- Harper
- Harpers Ferry
- Harris
- Harrisburg
- Harrison
- Harrison County
- Hart
- Hartford
- Hartford Mobile Home Park
- Hartley
- Hartwick
- Harvard
- Harvey
- Haskins
- Hastie
- Hastings
- Hauntown
- Havelock
- Haven
- Haverhill
- Havre
- Hawarden
- Hawkeye
- Hawley
- Hawleyville
- Hawthorne
- Hayesville
- Hayfield
- Hayfield Junction
- Hazleton
- Hebron
- Hedrick
- Helena
- Henderson
- Henry County
- Henshaw
- Hentons (historical)
- Hepburn
- Herndon
- Herrold
- Hesper
- Hiattsville
- Hiawatha
- Hiawatha Oak Brook Court
- Hickory Grove
- Hickory Grove Mobile Home Park
- Hicks
- High Acres Mobile Home Park
- High Amana
- High Creek
- Highland
- Highland Center
- Highlander Mobile Home Park
- Highland Park
- Highlandville
- High Point
- Highview
- Highview Mobile Home Park
- Highway Three Mobile Home Park
- Hillcrest Mobile Home Park
- Hills
- Hillsboro
- Hillsboro (historical)
- Hillsdale
- Hilltop
- Hilltop Mobile Home Park
- Hinton
- Hiteman
- Hobarton
- Hocker Estates Mobile Home Park
- Hocking
- Hodge
- Holbrook
- Holiday Mobile Home Court
- Holiday Village
- Holland
- Holly Springs
- Holmes
- Holstein
- Holt
- Holy Cross
- Homer
- Homestead
- Homestead Colony
- Hometown-Cedar Terrace
- Hometown Lakeside Mobile Home Park
- Honey Creek
- Hopeville
- Hopkinton
- Hoprig
- Hornick
- Horton
- Hospers
- Houghton
- Howard County
- Howardville
- Howe
- Howell (historical)
- Hubbard
- Hudson
- Hughs
- Hull
- Humboldt
- Humboldt County
- Humeston
- Huntington
- Hurley
- Huron
- Hurstville
- Hutchins
- Huxley
- Icarid (historical)
- Iconium
- Ida County
- Ida Grove
- Illinois Grove
- Illyria
- Imogene
- Independence
- Indiana
- Indianapolis
- Indianola
- Indianola Junction
- Indian Ridge Mobile Home Park
- Indiantown (historical)
- Ingersoll (historical)
- Inwood
- Ioka (historical)
- Iola (historical)
- Ion
- Ionia
- Iowa
- Iowa Center
- Iowa City
- Iowa County
- Iowa Falls
- Iowa Falls Junction
- Iowa Junction (historical)
- Ira
- Ireton
- Ironhills
- Irving
- Irvington
- Irwin
- Ivester
- Iveyville
- Ivy
- Jackson
- Jackson County
- Jackson Junction
- Jacksonville
- Jacksonville (historical)
- Jacobs
- Jamaica
- James
- Jamestown
- Jamison
- Janesville
- Jasper County
- Jay
- Jefferson
- Jefferson County
- Jeffersonville (historical)
- Jerico
- Jerome
- Jesup
- Jewell
- Johnson County
- Johnson (historical)
- Johnston
- Joice
- Jolley
- Jones County
- Jones Siding
- Jordan
- Jordans Grove
- Jubilee
- Judd
- Julien
- Junction (historical)
- Junction Switch
- Juniata
- Kalo
- Kalona
- Kammerer Trailer Court
- Kamrar
- Kanawha
- Keb (historical)
- Kellerton
- Kelley
- Kellogg
- Kemling (historical)
- Kemper
- Kendallville
- Kenfield
- Kennebec
- Kennedy
- Kensett
- Kent
- Kentner
- Kenwood
- Keokuk
- Keokuk County
- Keomah Village
- Keosauqua
- Keota
- Kesley
- Keswick
- Keteban Switch (historical)
- Keystone
- Key West
- Kidder
- Kilbourn
- Killduff
- Kimballton
- Kimze
- King
- Kingsley
- Kingston
- Kinross
- Kirkman
- Kirkville
- Kirkwood Estates
- Kiron
- Klemme
- Kline
- Klinger
- Klondike
- Knapp Mobile Home Park
- Knierim
- Knittel
- Knoke
- Knowlton
- Knoxville
- Konigsmark
- Kossuth
- Kossuth County
- Koszta
- Lacelle
- Lacey
- Lacona
- La Crew
- Ladoga
- Ladora
- Lafayette
- Lafayette (historical)
- Lainsville
- Lake Canyada Mobile Home Park
- Lake City
- Lake Mills
- Lake Park
- Lake Ridge Mobile Home Park
- Lakeside
- Lakeside Acres Mobile Park
- Lakeview
- Lake View
- Lakeview Mobile Home Court
- Lakewood
- Lakewood Corner
- Lakewood (historical)
- Lakewood Park
- Lakonta
- Lakota
- Lambs Grove
- LaMoille
- Lamoni
- Lamont
- La Motte
- Lamplighter Villa
- Lamson Mobile Home Park
- Lanesboro
- Langdon
- Langworthy
- Lanscaster
- Lansing
- Lansing Valley Mobile City
- Lansrud
- Lanyon
- La Porte City
- Larchwood
- Larland
- Larrabee
- Last Chance
- Latimer
- Lattnerville
- Latty
- Laurel
- Laurens
- Lavinia
- Lawler
- Lawn Hill
- Lawrenceburg
- Lawton
- Leando
- Lear
- Lebanon
- Le Claire
- Ledyard
- Lee County
- Leeds
- Lee (historical)
- Le Grand
- Lehigh
- Leighton
- Leland
- Le Mars
- Lemont (historical)
- Lena
- Lenox
- Leon
- Le Roy
- Leslie
- Lester
- Letts
- Leverett
- Levey
- Lewis
- Lexington
- Liberty
- Liberty Center
- Libertyville
- Lidderdale
- Lidtke Mill
- Lima
- Lime City
- Lime Springs
- Linby
- Lincoln
- Lincoln Center
- Lincolnway Village
- Lindale Manor
- Linden
- Lineville
- Linn County
- Linn Grove
- Linn Junction
- Linwood
- Lisbon
- Liscomb
- Little Cedar
- Little Groves
- Littleport
- Little Rock
- Little Sioux
- Littleton
- Little Turkey
- Livermore
- Lizard (historical)
- Lloyds Mobile Home Park
- Loch Burns
- Lockman
- Lockridge
- Locust
- Logan
- Logansport
- Lohrville
- Lone Pine Mobile Home Court
- Lone Rock
- Lone Tree
- Long Grove
- Long Point
- Lorah
- Lore
- Lore Mobile Home Park
- Lorimor
- Loring
- Lost Canyon Mobile Home Park
- Lost Nation
- Lotts Creek
- Louisa
- Louisa County
- Louise
- Lourdes
- Loveland
- Lovilia
- Lovington
- Lowden
- Lowell
- Low Moor
- Lowther Station (historical)
- Luana
- Lucas
- Lucas County
- Lucky Valley (historical)
- Ludlow
- Lundgren
- Lunsford
- Luray
- Luther
- Luton
- Lu Verne
- Luxemburg
- Luzerne
- Lycurgus
- Lyman
- Lyndale
- Lynnville
- Lyon County
- Lyons
- Lytton
- Macedonia
- Macey
- Mackey
- Macksburg
- Maclay (historical)
- Madison County
- Madrid
- Magill
- Magnolia
- Maharishi Vedic City
- Mahaska County
- Maine
- Malcom
- Mallard
- Malone
- Maloy
- Malta
- Malvern
- Mammen
- Manatheka (historical)
- Manchester
- M and S Mobile Home Park
- Manhattan Beach Resort
- Manilla
- Manly
- Manning
- Manson
- Manteno
- Maple Hill
- Maple Landing (historical)
- Maple Leaf
- Maple River
- Mapleside
- Mapleton
- Maquoketa
- Marathon
- Marble Rock
- Marcus
- Mardan Mobile Home Court
- Marengo
- Marietta
- Marion
- Marion County
- Marion Mobile Home Park
- Mark
- Marne
- Marquette
- Marquisville
- Marsh
- Marshall County
- Marshall (historical)
- Marshalltown
- Martelle
- Martensdale
- Martinsburg
- Martinstown
- Mary Hill
- Marysville
- Marysville (historical)
- Maryville
- Mason City
- Mason City Junction
- Masonville
- Massena
- Massey
- Massillon
- Matlock
- Maud
- Maulsby
- Maurice
- Max
- Maxon
- Maxwell
- May City
- Mayflower Mobile Home Park
- Maynard
- Maysville
- McBride
- McCallsburg
- McCausland
- McClelland
- McCloy (historical)
- McGargels Ford
- McGregor
- McGregor Heights
- McIntire
- McNally
- McPaul
- McPherson
- Meadow Brook Mobile Home Park
- Meadow Lane Mobile Home Park
- Mechanicsville
- Mederville
- Mediapolis
- Medora
- Mekee
- Melbourne
- Melcher-Dallas
- Mel-Ray Mobile Home Park
- Melrose
- Meltonville
- Melvin
- Mendota (historical)
- Menlo
- Mercer
- Meriden
- Merle Junction
- Merrill
- Merrimac
- Meservey
- Mesquakie Indian Settlement
- Metz
- Meyer
- Miami
- Middle Amana
- Middleburg
- Middletown
- Midland
- Midvale
- Midway
- Midway Beach
- Midway (historical)
- Midway Trailer Court
- Midwest Country Estates
- Miles
- Milford
- Miller
- Millersburg
- Millerton
- Millman
- Millnerville
- Millrock
- Mills
- Mills County
- Millville
- Millville Siding
- Milo
- Milton
- Minburn
- Minden
- Mineola
- Miner
- Minerva
- Mingo
- Missouri Valley
- Mitchell
- Mitchell County
- Mitchellville
- Modale
- Modern Manor Mobile Home Park
- Moingona
- Mona
- Mondamin
- Moneek
- Moneta
- Monette
- Moningers
- Monmouth
- Monona
- Monona County
- Monroe
- Monroe County
- Monteith
- Monterey
- Montezuma
- Montgomery
- Montgomery County
- Monti
- Monticello
- Montour
- Montpelier
- Montrose
- Mooar
- Moores Siding (historical)
- Mooreville (historical)
- Moorhead
- Moorland
- Moran
- Moravia
- Morgan
- Morgin Valley (historical)
- Morhain
- Morley
- Morningside
- Morning Sun
- Morrisburgh (historical)
- Morrison
- Morse
- Mortimer (historical)
- Morton Mills
- Moscow
- Motor
- Moulton
- Mount Auburn
- Mount Ayr
- Mount Carmel
- Mount Clare
- Mount Etna
- Mount Hamill
- Mount Joy
- Mount Joy Mobile Home Park
- Mount Lucia
- Mount Pleasant
- Mount Sterling
- Mount Union
- Mount Vernon
- Mount Zion
- Moville
- Munterville
- Murphy
- Murray
- Muscatine
- Muscatine County
- Mystic
- Nahant
- Nanito
- Nansen
- Napier
- Nashua
- Nashville
- Nasset
- Navan
- Nemaha
- Neola
- Neptune
- Neska
- Nevada
- Nevinville
- New Albin
- New Albion
- Newbern
- New Boston
- New Buda
- New Buffalo
- Newburg
- New Dixon
- Newell
- New Era
- Newhall
- New Hampton
- New Hartford
- New Haven
- Newkirk
- New Liberty
- New London
- New Market
- Newport
- New Providence
- New Sharon
- Newton
- Newtown (historical)
- New Vienna
- New Virginia
- New York
- Nichols
- Nilesville
- Nira
- Nishna
- Noble
- Nodaway
- Noel (historical)
- Nora Junction
- Nora Springs
- Nordness
- Norman (historical)
- Norris Siding
- North American Trailer Park
- North Bellevue
- Northboro
- North Branch
- North Buena Vista
- North Cedar
- Northend Mobile Home Park
- North English
- Northfield
- North Liberty
- North Street Mobile Home Park
- North Washington
- North Welton
- Northwind Mobile Home Park
- Northwood
- Norwalk
- Norway
- Norway Center
- Norwich
- Norwood
- Norwoodville
- Nuel (historical)
- Nugent
- Numa
- Nyman
- Oakdale
- Oakfield
- Oakland
- Oakland Acres
- Oakland Mills
- Oakley
- Oakville
- Oakwood
- Oakwood Heights Mobile Home Park
- Oakwood Station (historical)
- Oasis
- O'Brien County
- Ocheyedan
- Odebolt
- Oelwein
- Ogden
- Okoboji
- Olaf
- Old Balltown
- Old Orchard Mobile Home Park
- Old Peru
- Olds
- Old Town
- Old Tripoli
- O'Leary
- Olin
- Olivet
- Ollie
- Olmitz
- Onawa
- Onawa Junction
- Oneida
- O'Neill
- Onslow
- Ontario
- Oralabor
- Oran
- Orange
- Orange City
- Orchard
- Orchard Lane Mobile Home Court
- Orchard Park Mobile Home Court
- Ord
- Orient
- Orillia
- Orleans
- Ormanville
- Orson
- Orton
- Ortonville
- Osage
- Osborne
- Osceola
- Osceola County
- Osgood
- Oskaloosa
- Ossian
- Osterdock
- Oswalt
- Otho
- Otis
- Otley
- Oto
- Otranto
- Ottawa
- Otter Creek
- Otterville
- Ottosen
- Ottumwa
- Ottumwa Junction
- Overland Mobile Home Park
- Ovia
- Owasa
- Owego
- Owen
- Oxford
- Oxford Junction
- Oxford Mills
- Oyens
- Ozark
- Ozark (historical)
- Pacific City
- Pacific Junction
- Packard
- Packwood
- Page Center
- Page County
- Palestine (historical)
- Palmer
- Palm Grove
- Palmyra
- Palo
- Palo Alto County
- Panama
- P and H Mobile Home Court
- Panora
- Panorama Park
- Panther
- Paradise Mobile Home Park
- Paralta
- Paris
- Paris (historical)
- Parkersburg
- Parkhurst (historical)
- Park Place Mobile Home Court
- Parksville (historical)
- Park View
- Parkview Mobile Home Park
- Parkview Terrace
- Park View Village Mobile Home Park
- Parnell
- Paton
- Patterson
- Paullina
- Payne
- Pekin
- Pelican Ridge Mobile Home Community
- Pella
- Peoria
- Peosta
- Percival
- Percy (historical)
- Perkins
- Perlee
- Perry
- Perrys Rollin' Homes Manor
- Perry Yard
- Pershing
- Persia
- Peter
- Petersburg
- Peterson
- Petersville
- Pettis
- Philby
- Phillips
- Pickering
- Pickwick
- Pierceville
- Pierson
- Pigeon
- Pilot Grove
- Pilot Mound
- Pilot Rock
- Pine Grove Mobile Home Park
- Pine Mills (historical)
- Pine Ridge Mobile Home Court
- Pioneer
- Piper
- Pisgah
- Pittsburg
- Pitzer
- Plainfield
- Plainview
- Plano
- Plato
- Platteville
- Pleasant Corner
- Pleasant Creek
- Pleasant Grove
- Pleasant Hill
- Pleasant Hill (historical)
- Pleasanton
- Pleasant Plain
- Pleasant Prairie
- Pleasant Valley
- Pleasant Valley Mobile Home Park
- Pleasant View (historical)
- Pleasantville
- Plessis
- Plover
- Plymouth
- Plymouth County
- Plymouth (historical)
- Plymouth Junction
- Pocahontas
- Pocahontas County
- Polen
- Polk City
- Polk City Junction
- Polk County
- Pomeroy
- Ponderosa Park Mobile Home Park
- Popejoy
- Poplar
- Port Allen (historical)
- Portland
- Port Louisa
- Portsmouth
- Postville
- Potosia
- Pottawattamie County
- Potter
- Powersville
- Poweshiek County
- Prairiebell
- Prairieburg
- Prairie City
- Prairie Grove
- Prairie View Acres Mobile Home Park
- Prairie Village Mobile Home Park
- Predonia (historical)
- Prescott
- Preston
- Primghar
- Primrose
- Princeton
- Probstei
- Prole
- Promise City
- Protivin
- Prussia
- Pulaski
- Purdy
- Quandahl
- Quarry
- Quasqueton
- Queen City (historical)
- Quick
- Quilhart (historical)
- Quimby
- Quincy
- Racine
- Radcliffe
- Radio City Mobile Home Park
- Rake
- Raleigh
- Ralston
- Ramessa (historical)
- Randalia
- Randall
- Randolph
- Rands
- Rathbun
- Ratna (historical)
- Raymar
- Raymond
- Readlyn
- Reasnor
- Redding
- Redfield
- Red Line
- Redman (historical)
- Red Oak
- Reeceville
- Reeve
- Regency Manor Mobile Home Park
- Regency of Iowa Mobile Home Park
- Regency of Sioux City
- Registry Park
- Reilly Settlement
- Reinbeck
- Rembrandt
- Remicker (historical)
- Remsen
- Renwick
- Republic
- Rexfield
- Rhodes
- Riceville
- Riceville (historical)
- Richard
- Richfield
- Richland
- Richmond
- Rickardsville
- Ricketts
- Rider
- Ridgeport
- Ridgeview Park
- Ridgeway
- Ridley
- Ridotto
- Riggs
- Rinard
- Ringgold County
- Ringgold (historical)
- Ringsted
- Rippey
- Rising Sun
- Ritter
- Rivercrest Estates
- Riverdale
- Riverforest Trailer Park
- River Junction
- Riverside
- River Sioux
- Riverton
- River Vista Trailer Park
- Roberts
- Robertson
- Robins
- Robinson
- Robison-Whitaker Acres
- Rochester
- Rockaway (historical)
- Rock Creek
- Rockdale
- Rock Falls
- Rockford
- Rockingham (historical)
- Rocklyn Mobile Home
- Rock Rapids
- Rockton
- Rock Valley
- Rockville
- Rockwell
- Rockwell City
- Rodman
- Rodney
- Roelyn
- Rogers
- Rogersville
- Roland
- Rolfe
- Rolfe (historical)
- Rolling Hills Mobile Home Park
- Rome
- Rorbeck
- Roscoe
- Rose
- Rose Hill
- Roselle
- Rosendale
- Rosetta (historical)
- Roseville
- Ross
- Rosserdale
- Rossie
- Rossville
- Rough Woods Hill
- Rowan
- Rowley
- Roxie
- Royal
- Rubens Siding
- Rubio
- Ruble
- Rudd
- Runnells
- Rushville
- Rusk
- Russell
- Russellville (historical)
- Rustic Ridge Mobile Home Park
- Ruthven
- Rutland
- Rutledge
- Ryan
- Sabula
- Sac City
- Sac City Junction (historical)
- Sac County
- Sageville
- Saint Ansgar
- Saint Anthony
- Saint Benedict
- Saint Charles
- Saint Donatus
- Saint Joseph
- Saint Lucas
- Saint Marys
- Saint Olaf
- Saint Paul
- Saint Sebald
- Salem
- Salina
- Salix
- Samoa
- Sanborn
- Sand Bar Beach Resort and Trailer Court
- Sand Springs
- Sandusky
- Sandusky Mobile Home Villa
- Sandyville
- Santiago
- Saratoga
- Sattre
- Saude
- Savannah
- Sawyer
- Saxon
- Saylor
- Saylor Station
- Saylorville
- Scarville
- Scenic View Mobile Home Park
- Schaller
- Schleswig
- Schley
- Sciola
- Scotch Grove
- Scotch Ridge
- Scott
- Scott County
- Scranton
- Searsboro
- Secor (historical)
- Sedan
- Seigel
- Selection
- Selma
- Seneca
- Seney
- Sergeant Bluff
- Severs
- Sewal
- Sexton
- Seymour
- Shady Grove
- Shady Grove Mobile Home Park
- Shady Oak
- Shaffton
- Shambaugh
- Shannon City
- Sharon
- Sharon Center
- Sharpsburg
- Shawondasse
- Sheffield
- Shelby
- Shelby County
- Sheldahl
- Sheldon
- Shell Rock
- Shellsburg
- Shenandoah
- Shepard (historical)
- Sheridan
- Sherman
- Sherrill
- Sherton Heights
- Sherwood
- Shipley
- Shueyville
- Shunem
- Siam
- Sibley
- Sibyl (historical)
- Sidney
- Sigourney
- Silver City
- Silver Creek Mobile Home Community
- Silver Lake
- Sinclair
- Sioux Center
- Sioux City
- Sioux County
- Sioux Rapids
- Sixmile
- Sixteen
- Skunk River
- Skyline Mobile Park
- Skyview Mobile Home Park
- Sky View Terrace Mobile Home Park
- Slater
- Slifer
- Sloan
- Smithland
- Smiths
- Smyrna
- Snefs
- Soldier
- Sollberg
- Solomon
- Solon
- Somber
- Somers
- South Amana
- South Augusta
- South English
- Southern Acres Mobile Estates
- South Garry Owen
- South Ridge Estates
- South River Crossing (historical)
- South Switch Junction
- South Towne Park
- Southview Estates Mobile Home Park
- Spaulding
- Spencer
- Spencers Grove
- Sperry
- Spillville
- Spirit Lake
- Spragueville
- Springbrook
- Springdale
- Spring Fountain
- Spring Grove
- Spring Hill
- Springhole
- Spring Valley
- Springville
- Springwater
- Squaw Creek Village
- Stacyville
- Stacyville Junction
- Stanhope
- Stanley
- Stanton
- Stanwood
- Stanzel
- Starlite Mobile Home Park
- State Center
- State Center Junction
- Steamboat Rock
- Stein's Rockin R Mobile Home Park
- Stennett
- Sterling
- Steuben
- Stevens
- Stiles
- Stillwell
- Stilson
- Stimsons (historical)
- Stockport
- Stockton
- Stone City
- Stonega
- Storm Lake
- Story City
- Story County
- Stout
- Stover Heights Community
- Strahan
- Strand
- Stratford
- Strawberry Point
- Streepy
- Stringtown
- Struble
- Stuart
- Sugar Creek (historical)
- Sully
- Sulphur Springs
- Summerset
- Summerset Junction (historical)
- Summit
- Summit (historical)
- Summit View Mobile Home Park
- Summit Village Dyersville Park
- Summitville
- Sumner
- Sunbury
- Sunfield Mobile Home Park
- Sunny-Brook Mobile Home Park
- Sunrise Mobile Court
- Sunrise Mobile Home Community
- Sunrise Mobile Home Park
- Sunrise Mobile Home Village
- Sunset Village
- Sunset Village Mobile Home Park
- Sunshine
- Superior
- Sutherland
- Sutliff
- Swaledale
- Swan
- Swanton
- Swanwood
- Swea City
- Swea (historical)
- Swedesburg
- Sweetland Center
- Swisher
- Sycamore Village
- Table Mound Mobile Home Park
- Tabor
- Taintor
- Talleyrand
- Tallview Terrace Mobile Home Park
- Talmage
- Tama
- Tama County
- Tara
- Tarkio City (historical)
- Taylor
- Taylor County
- Taylorsville
- Teds Mobile Home Park
- Teeds Grove
- Temple Hill
- Templeton
- Tenmile
- Tennant
- Tenville
- Terrace Manor Mobile Home Court
- Terre Haute
- Terril
- Thayer
- The Meadows
- Thirty
- Thomasville
- Thompson
- Thompson Corner
- Thor
- Thornburg
- Thornton
- Thorpe
- Thoten
- Thurman
- Ticonic
- Tiffin
- Tileville
- Tilton
- Timber Valley Mobile Home Park
- Tingley
- Tioga
- Tipperary
- Tipton
- Tipton Mobile Home Park
- Titonka
- Titu
- Toddville
- Toeterville
- Togo (historical)
- Toledo
- Toolesboro
- Toronto
- Tower Station (historical)
- Tower Terrace Mobile Home Park
- Township of Adams
- Township of Adel
- Township of Afton
- Township of Agency
- Township of Albion
- Township of Alden
- Township of Allen
- Township of Allens Grove
- Township of Allison
- Township of Amaqua
- Township of America
- Township of Amherst
- Township of Amity
- Township of Amsterdam
- Township of Anderson
- Township of Arcadia
- Township of Arlington
- Township of Armstrong Grove
- Township of Ashton
- Township of Athens
- Township of Auburn
- Township of Audubon
- Township of Avery
- Township of Badger
- Township of Baker
- Township of Baltimore
- Township of Bangor
- Township of Banks
- Township of Banner
- Township of Barclay
- Township of Barnes
- Township of Barton
- Township of Bath
- Township of Battle
- Township of Bear Creek
- Township of Bear Grove
- Township of Beaver
- Township of Bedford
- Township of Belknap
- Township of Bellair
- Township of Bellevue
- Township of Bellville
- Township of Belmond
- Township of Belmont
- Township of Belvidere
- Township of Bennezette
- Township of Bennington
- Township of Benton
- Township of Bertram
- Township of Bethel
- Township of Big Creek
- Township of Big Grove
- Township of Bingham
- Township of Black Hawk
- Township of Black Oak
- Township of Blaine
- Township of Blairsburg
- Township of Bloomfield
- Township of Bloomington
- Township of Blue Grass
- Township of Bluff Creek
- Township of Bluffton
- Township of Boardman
- Township of Bonaparte
- Township of Boomer
- Township of Boone
- Township of Booth
- Township of Boulder
- Township of Boyer
- Township of Boyer Valley
- Township of Bradford
- Township of Brandon
- Township of Bremen
- Township of Brighton
- Township of Bristol
- Township of Britt
- Township of Brooke
- Township of Brookfield
- Township of Brown
- Township of Bruce
- Township of Buchanan
- Township of Buckeye
- Township of Buckingham
- Township of Buena Vista
- Township of Buffalo
- Township of Buncombe
- Township of Burlington
- Township of Burnside
- Township of Burrell
- Township of Burr Oak
- Township of Burt
- Township of Butler
- Township of Byron
- Township of Caldwell
- Township of Caledonia
- Township of Calhoun
- Township of Calmar
- Township of Camanche
- Township of Cameron
- Township of Camp
- Township of Canaan
- Township of Canoe
- Township of Canton
- Township of Capel
- Township of Carl
- Township of Carlton
- Township of Carroll
- Township of Carson
- Township of Cascade
- Township of Cass
- Township of Castle Grove
- Township of Cedar
- Township of Cedar Falls
- Township of Centennial
- Township of Center
- Township of Center Grove
- Township of Chariton
- Township of Charleston
- Township of Charter Oak
- Township of Chequest
- Township of Cherokee
- Township of Chester
- Township of Chickasaw
- Township of Cincinnati
- Township of Clark
- Township of Clay
- Township of Clayton
- Township of Clear Creek
- Township of Clear Lake
- Township of Cleona
- Township of Clermont
- Township of Cleveland
- Township of Clinton
- Township of Coffins Grove
- Township of Coldwater
- Township of Colfax
- Township of College
- Township of Collins
- Township of Colony
- Township of Columbia
- Township of Columbus City
- Township of Competine
- Township of Concord
- Township of Concordia
- Township of Cono
- Township of Cook
- Township of Coon
- Township of Coon Valley
- Township of Cooper
- Township of Corinth
- Township of Corwin
- Township of Corydon
- Township of Cox Creek
- Township of Crawford
- Township of Crescent
- Township of Cresco
- Township of Crocker
- Township of Crystal
- Township of Cummins
- Township of Dahlonega
- Township of Dale
- Township of Dallas
- Township of Danville
- Township of Davenport City
- Township of Dawson
- Township of Dayton
- Township of Decatur
- Township of Decorah
- Township of Deep Creek
- Township of Deep River
- Township of Deer Creek
- Township of Deerfield
- Township of Delana
- Township of Delaware
- Township of Delhi
- Township of Denison
- Township of Denmark
- Township of Des Moines
- Township of De Witt
- Township of Diamond
- Township of Diamond Lake
- Township of Dodge
- Township of Doon
- Township of Dougherty
- Township of Douglas
- Township of Dover
- Township of Doyle
- Township of Drakesville
- Township of Dresden
- Township of Dubuque
- Township of Dutch Creek
- Township of Eagle
- Township of Eagle Grove
- Township of East
- Township of East Boyer
- Township of East Des Moines
- Township of East Holman
- Township of East Lancaster
- Township of East Lincoln
- Township of East Lucas
- Township of East Orange
- Township of East River
- Township of East Waterloo
- Township of Eden
- Township of Edna
- Township of Eldora
- Township of Eldorado
- Township of Elgin
- Township of Eliot
- Township of Elk
- Township of Elk Creek
- Township of Elkhart
- Township of Elkhorn
- Township of Elk River
- Township of Ell
- Township of Ellington
- Township of Ellis
- Township of Ellsworth
- Township of Elm Grove
- Township of Emmet
- Township of Emmetsburg
- Township of English
- Township of English River
- Township of Erin
- Township of Estherville
- Township of Etna
- Township of Eureka
- Township of Ewoldt
- Township of Excelsior
- Township of Exira
- Township of Fabius
- Township of Fairbank
- Township of Fairfax
- Township of Fairfield
- Township of Fairview
- Township of Falls
- Township of Farmersburg
- Township of Farmers Creek
- Township of Farmington
- Township of Fayette
- Township of Felix
- Township of Fenton
- Township of Fern Valley
- Township of Fertile
- Township of Fillmore
- Township of Fisher
- Township of Flint River
- Township of Florence
- Township of Floyd
- Township of Forest
- Township of Forest City
- Township of Four Mile
- Township of Fox
- Township of Fox River
- Township of Frankfort
- Township of Franklin
- Township of Frankville
- Township of Fredericksburg
- Township of Frederika
- Township of Fredonia
- Township of Freedom
- Township of Freeman
- Township of Fremont
- Township of French Creek
- Township of Fruitland
- Township of Fulton
- Township of Galva
- Township of Garden
- Township of Garden Grove
- Township of Garfield
- Township of Garnavillo
- Township of Garner
- Township of Gay
- Township of Geneseo
- Township of Geneva
- Township of German
- Township of Giard
- Township of Gillett Grove
- Township of Gilman
- Township of Glenwood
- Township of Glidden
- Township of Goewey
- Township of Goodrich
- Township of Goshen
- Township of Gower
- Township of Gowrie
- Township of Graham
- Township of Grand Meadow
- Township of Grand River
- Township of Grandview
- Township of Grange
- Township of Grant
- Township of Great Oak
- Township of Greeley
- Township of Green
- Township of Green Bay
- Township of Greenbrier
- Township of Greencastle
- Township of Greene
- Township of Greenfield
- Township of Greenwood
- Township of Griggs
- Township of Grimes
- Township of Grove
- Township of Guilford
- Township of Hale
- Township of Hamilton
- Township of Hamlin
- Township of Hampshire
- Township of Hancock
- Township of Hanover
- Township of Hardin
- Township of Harlan
- Township of Harrisburg
- Township of Harrison
- Township of Hartford
- Township of Hartland
- Township of Hartley
- Township of Hayes
- Township of Hazel Dell
- Township of Hazel Green
- Township of Hazleton
- Township of Hebron
- Township of Henry
- Township of Herdland
- Township of Hesper
- Township of Hickory Grove
- Township of High Lake
- Township of Highland
- Township of High Point
- Township of Hilton
- Township of Holland
- Township of Holt
- Township of Homer
- Township of Honey Creek
- Township of Horton
- Township of Howard
- Township of Howard Center
- Township of Humboldt
- Township of Hungerford
- Township of Huron
- Township of Illyria
- Township of Independence
- Township of Indiana
- Township of Indian Creek
- Township of Indian Village
- Township of Ingham
- Township of Ingraham
- Township of Inland
- Township of Iowa
- Township of Iowa Lake
- Township of Irvington
- Township of Jack Creek
- Township of Jackson
- Township of Jacksonville
- Township of James
- Township of Jamestown
- Township of Jasper
- Township of Jefferson
- Township of Jenkins
- Township of Johns
- Township of Johnson
- Township of Jones
- Township of Jordan
- Township of Junction
- Township of Kane
- Township of Kedron
- Township of Keg Creek
- Township of Kellogg
- Township of Kendrick
- Township of Kennebec
- Township of Kensett
- Township of Keokuk
- Township of King
- Township of Kniest
- Township of Knox
- Township of Knoxville
- Township of Lafayette
- Township of La Grange
- Township of Lake
- Township of Lake Creek
- Township of Lakeport
- Township of Lake Prairie
- Township of Lakeville
- Township of Lansing
- Township of Larchwood
- Township of Layton
- Township of Le Claire
- Township of Ledyard
- Township of Lee
- Township of Le Grand
- Township of Lenox
- Township of Leroy
- Township of Le Roy
- Township of Lester
- Township of Levey
- Township of Lewis
- Township of Liberal
- Township of Liberty
- Township of Lick Creek
- Township of Lime Creek
- Township of Lincoln
- Township of Linden
- Township of Linn
- Township of Linton
- Township of Liscomb
- Township of Liston
- Township of Little Sioux
- Township of Lizard
- Township of Lloyd
- Township of Lockridge
- Township of Locust Grove
- Township of Lodomillo
- Township of Logan
- Township of Lone Tree
- Township of Long Creek
- Township of Lost Grove
- Township of Lost Island
- Township of Lotts Creek
- Township of Lovell
- Township of Ludlow
- Township of Lu Verne
- Township of Lynn
- Township of Lynn Grove
- Township of Lyon
- Township of Lyons
- Township of Macedonia
- Township of Madison
- Township of Magnolia
- Township of Magor
- Township of Maine
- Township of Makee
- Township of Malaka
- Township of Malcom
- Township of Mallory
- Township of Mantua
- Township of Maple
- Township of Maple River
- Township of Maple Valley
- Township of Maquoketa
- Township of Marcus
- Township of Marcy
- Township of Marengo
- Township of Marietta
- Township of Marion
- Township of Mariposa
- Township of Marshall
- Township of Mason
- Township of Massena
- Township of Massillon
- Township of Maxfield
- Township of Meadow
- Township of Melrose
- Township of Melville
- Township of Mendon
- Township of Mercer
- Township of Middlefield
- Township of Middle Fork
- Township of Midland
- Township of Milford
- Township of Military
- Township of Miller
- Township of Millville
- Township of Milo
- Township of Minden
- Township of Minerva
- Township of Mitchell
- Township of Monmouth
- Township of Monona
- Township of Monroe
- Township of Montpelier
- Township of Montrose
- Township of Morgan
- Township of Morning Sun
- Township of Morton
- Township of Mosalem
- Township of Moscow
- Township of Mott
- Township of Mound Prairie
- Township of Mount Valley
- Township of Mount Vernon
- Township of Moville
- Township of Muscatine
- Township of Nassau
- Township of Nebraska
- Township of Neola
- Township of Nevada
- Township of New Albany
- Township of Newark
- Township of New Buda
- Township of Newburg
- Township of Newell
- Township of New Hampton
- Township of New Hope
- Township of New London
- Township of New Oregon
- Township of Newport
- Township of Newton
- Township of New Wine
- Township of Niles
- Township of Nishnabotny
- Township of Noble
- Township of Nodaway
- Township of Nokomis
- Township of North Fork
- Township of Norwalk
- Township of Norway
- Township of Oak
- Township of Oak Dale
- Township of Oakfield
- Township of Oakland
- Township of Ocheyedan
- Township of Ohio
- Township of Okoboji
- Township of Olive
- Township of Omega
- Township of Oneida
- Township of Oran
- Township of Orange
- Township of Oregon
- Township of Orient
- Township of Orleans
- Township of Orono
- Township of Orthel
- Township of Osage
- Township of Osceola
- Township of Otho
- Township of Oto
- Township of Otranto
- Township of Otter
- Township of Otter Creek
- Township of Owen
- Township of Oxford
- Township of Paint Creek
- Township of Palermo
- Township of Palestine
- Township of Palmyra
- Township of Palo Alto
- Township of Paradise
- Township of Paris
- Township of Paton
- Township of Penn
- Township of Peoples
- Township of Perry
- Township of Peru
- Township of Peterson
- Township of Pierce
- Township of Pike
- Township of Pilot
- Township of Pilot Grove
- Township of Pilot Mound
- Township of Pioneer
- Township of Pitcher
- Township of Pittsford
- Township of Plank
- Township of Plato
- Township of Platte
- Township of Plattville
- Township of Pleasant
- Township of Pleasant Grove
- Township of Pleasant Ridge
- Township of Pleasant Valley
- Township of Plum Creek
- Township of Plymouth
- Township of Poe
- Township of Poland
- Township of Polk
- Township of Portland
- Township of Port Louisa
- Township of Post
- Township of Poweshiek
- Township of Powhatan
- Township of Poyner
- Township of Prairie
- Township of Prairie Creek
- Township of Prairie Springs
- Township of Prescott
- Township of Preston
- Township of Princeton
- Township of Providence
- Township of Prussia
- Township of Putnam
- Township of Pymosa
- Township of Quincy
- Township of Raglan
- Township of Ramsey
- Township of Rawles
- Township of Read
- Township of Reading
- Township of Red Oak
- Township of Red Rock
- Township of Reeve
- Township of Remsen
- Township of Rice
- Township of Richland
- Township of Richman
- Township of Riley
- Township of Ripley
- Township of Riverdale
- Township of Riverside
- Township of Riverton
- Township of Rochester
- Township of Rock
- Township of Rock Creek
- Township of Rockford
- Township of Rock Grove
- Township of Roland
- Township of Rome
- Township of Roosevelt
- Township of Roscoe
- Township of Rose Grove
- Township of Roselle
- Township of Ross
- Township of Round Prairie
- Township of Rudd
- Township of Rush Lake
- Township of Rutland
- Township of Sac
- Township of Saint Ansgar
- Township of Saint Charles
- Township of Saint Clair
- Township of Saint Johns
- Township of Saint Marys
- Township of Salem
- Township of Salt Creek
- Township of Sand Creek
- Township of Saratoga
- Township of Saylor
- Township of Scotch Grove
- Township of Scott
- Township of Scranton
- Township of Seely
- Township of Seneca
- Township of Settlers
- Township of Seventy-Six
- Township of Sharon
- Township of Shelby
- Township of Shell Rock
- Township of Sheridan
- Township of Sherman
- Township of Shiloh
- Township of Sidney
- Township of Sigourney
- Township of Silver
- Township of Silver Creek
- Township of Silver Lake
- Township of Sioux
- Township of Sloan
- Township of Smithfield
- Township of Soap Creek
- Township of Soldier
- Township of South
- Township of South Fork
- Township of Spaulding
- Township of Sperry
- Township of Spirit Lake
- Township of Spring
- Township of Spring Creek
- Township of Springdale
- Township of Springfield
- Township of Spring Grove
- Township of Spring Rock
- Township of Spring Valley
- Township of Squaw
- Township of Stacyville
- Township of Stanton
- Township of Stapleton
- Township of State Center
- Township of Steady Run
- Township of Stockholm
- Township of Stuart
- Township of Sugar Creek
- Township of Sugar Grove
- Township of Summerset
- Township of Summit
- Township of Sumner
- Township of Sumner No. 2
- Township of Superior
- Township of Swan Lake
- Township of Swea
- Township of Sweetland
- Township of Table Mound
- Township of Tama
- Township of Tarkio
- Township of Taylor
- Township of Tete Des Morts
- Township of Thompson
- Township of Tilden
- Township of Timber Creek
- Township of Tingley
- Township of Tippecanoe
- Township of Tipton
- Township of Toledo
- Township of Trenton
- Township of Troy
- Township of Twelve Mile Lake
- Township of Twin Lake
- Township of Twin Lakes
- Township of Udell
- Township of Ulster
- Township of Union
- Township of Union City
- Township of Union Prairie
- Township of Urbana
- Township of Utica
- Township of Valley
- Township of Van Buren
- Township of Van Meter
- Township of Vermillion
- Township of Vernon
- Township of Vernon Springs
- Township of Victoria
- Township of Victory
- Township of Vienna
- Township of Village
- Township of Viola
- Township of Virginia
- Township of Volga
- Township of Wacousta
- Township of Wagner
- Township of Wall Lake
- Township of Walnut
- Township of Wapello
- Township of Wapsinonoc
- Township of Ward
- Township of Warren
- Township of Washington
- Township of Waterford
- Township of Waterloo
- Township of Waterman
- Township of Waubonsie
- Township of Waveland
- Township of Wayne
- Township of Weaver
- Township of Webster
- Township of Welcome
- Township of Wells
- Township of Welton
- Township of Wesley
- Township of West
- Township of West Bend
- Township of West Branch
- Township of Westburg
- Township of West Des Moines
- Township of Westfield
- Township of West Fork
- Township of West Grove
- Township of West Holman
- Township of West Lancaster
- Township of West Lincoln
- Township of West Lucas
- Township of Westphalia
- Township of West Point
- Township of Westport
- Township of West Side
- Township of Wheatland
- Township of Wheeler
- Township of Whitebreast
- Township of White Breast
- Township of White Cloud
- Township of White Oak
- Township of Whitewater
- Township of Whittemore
- Township of Williams
- Township of Willow
- Township of Wilson
- Township of Wilton
- Township of Windsor
- Township of Winfield
- Township of Wisner
- Township of Wolf Creek
- Township of Woodbury
- Township of Woodland
- Township of Woolstock
- Township of Worth
- Township of Wright
- Township of Wyacondah
- Township of Wyoming
- Township of Yell
- Township of Yellow Springs
- Township of York
- Tracy
- Traer
- Traxler (historical)
- Trenton
- Treynor
- Triboji Beach
- Tripoli
- Troy
- Troy (historical)
- Troy Mills
- Truesdale
- Truro
- Turin
- Turkey River
- Turner (historical)
- Tuskeego
- Twilight Trailer Court
- Twin Lakes Trailer Court
- Twin Pine Mobile Home Park
- Twin Springs
- Twin T Mobile Home Park
- Twin View Heights
- Tyrone
- Udell
- Ulmer
- Underwood
- Union
- Union Burg (historical)
- Union Center
- Union County
- Union Mills
- Unionville
- Unique
- University Heights
- University Park
- Unorganized Territory of Saylorville Reservoir
- Updegraff
- Upper South Amana
- Urbana
- Urbandale
- Ute
- Utica
- Vail
- Valdora (historical)
- Valeria
- Valley Junction
- Valley Village Mobile Home Park
- Van
- Van Ackers Mobile Home Park
- Van Buren
- Van Buren County
- Van Cleve
- Vandalia
- Van Horne
- Van Meter
- Van Wert
- Varina
- Ventura
- Ventura Heights
- Veo
- Vernon
- Vernon Heights Mobile Home Park
- Vernon Springs
- Vernon View
- Victor
- Viele
- Village Creek
- Village East Resort
- Villa Village Mobile Home Park
- Villisca
- Vincennes
- Vincent
- Vining
- Vinje
- Vinton
- Viola
- Viola Center
- Vista
- Vista Estates Mobile Home Park
- Volga
- Volney
- Voorhies
- Vulcan (historical)
- Wadena
- Wadleigh
- Wahpeton
- Walcott
- Walcott Eststes
- Wald
- Wales
- Walford
- Walker
- Wallace
- Wallin
- Wallingford
- Wall Lake
- Wall Lake Station
- Walnut
- Walnut City
- Walnut Grove
- Wanamaker
- Waneta
- Wanetta Corner
- Wapello
- Wapello County
- Wapsie
- Ward
- Ware
- Warren County
- Washburn
- Washington
- Washington County
- Washington Mills
- Washington Prairie
- Washta
- Wassonville (historical)
- Waterloo
- Waterman
- Waterville
- Watkins
- Watson
- Watterson
- Waubeek
- Waucoma
- Waukee
- Waukon
- Waukon Junction
- Waupeton
- Waverly
- Waverly Junction
- Wayland
- Wayne County
- Webb
- Webster
- Webster City
- Webster County
- Weldon
- Weller
- Wellman
- Wellsburg
- Welton
- Wensel Mobile Home Park
- Wesley
- West Amana
- West Bend
- West Branch
- West Branch Mobile Home Village
- Westbrook Village
- West Burlington
- West Cedar Rapids
- West Chester
- West Des Moines
- Western
- Western Acres Mobile Home Park
- Western Hills Mobine Estates
- Western Village Mobile Home Park
- Westfield
- West Fort Dodge (historical)
- Westgate
- West Grove
- West Iron Hills
- West Le Mars
- West Liberty
- West Okoboji
- Weston
- West Park Mobile Home Village
- Westphalia
- West Point
- Westridge Mobile Home Park
- West Saint Marys
- Westside
- West Union
- West Union (historical)
- Westview
- Westwood
- West Yards
- Wever
- What Cheer
- Wheatland
- Wheelerwood
- Wheel Estates Mobile Home Park
- Whitebreast
- White Cloud
- White Elm
- Whitefield (historical)
- White Oak
- Whiting
- Whittemore
- Whitten
- Whittier
- Wichita
- Wick
- Wightman
- Wilke
- Wilkins
- Willard
- Willett
- Willey
- Williams
- Williamsburg
- Williamson
- Williamstown
- Willows Mobile Home Court
- Willsburg (historical)
- Wilmar
- Wilson (historical)
- Wilton
- Winchester
- Windham
- Windsor Heights
- Winfield
- Winkelmans
- Winnebago County
- Winneshiek County
- Winterset
- Winthrop
- Wiota
- Wiscotta
- Wise
- Woden
- Wolf
- Wolf Lake Addition
- Wood
- Woodbine
- Woodburn
- Woodbury County
- Wood Dale Mobile Home Park
- Wooded Lake Mobile Home Park
- Woodland
- Woodland Hills
- Woodland Mobile Home Park
- Woodland Terraces Mobile Home Park
- Woodside Mobile Estates
- Woodward
- Woolstock
- Worth County
- Worthington
- Worthington Acres
- Wren
- Wright
- Wright County
- Wyman
- Wyoming
- Xenia
- Yale
- Yampa
- Yarmouth
- Yatton (historical)
- Yellow River
- Yeomans
- Yetter
- York
- York Center
- Yorkshire
- Yorktown
- Zaneta
- Zearing
- Zenorsville
- Zero
- Zion
- Zwingle