County
|
City Pop.
|
City
|
Adair
|
2,073
|
Greenfield
|
Adams
|
1,534
|
Corning
|
Allamakee
|
3,760
|
Waukon
|
Appanoose
|
5,325
|
Centerville
|
Audubon
|
2,035
|
Audubon
|
Benton
|
4,931
|
Vinton
|
Black Hawk
|
66,941
|
Waterloo
|
Boone
|
12,469
|
Boone
|
Bremer
|
10,398
|
Waverly
|
Buchanan
|
6,166
|
Independence
|
Buena Vista
|
11,256
|
Storm Lake
|
Butler
|
2,014
|
Parkersburg
|
Calhoun
|
2,258
|
Rockwell City
|
Carroll
|
10,224
|
Carroll
|
Cass
|
6,758
|
Atlantic
|
Cedar
|
3,120
|
Tipton
|
Cerro Gordo
|
27,138
|
Mason City
|
Cherokee
|
5,099
|
Cherokee
|
Chickasaw
|
3,416
|
New Hampton
|
Clarke
|
5,536
|
Osceola
|
Clay
|
11,356
|
Spencer
|
Clayton
|
1,788
|
Guttenberg
|
Clinton
|
24,434
|
Clinton
|
Crawford
|
8,178
|
Denison
|
Dallas
|
26,495
|
Waukee
|
Davis
|
2,684
|
Bloomfield
|
Decatur
|
2,052
|
Lamoni
|
Delaware
|
5,094
|
Manchester
|
Des Moines
|
23,713
|
Burlington
|
Dickinson
|
5,420
|
Spirit Lake
|
Dubuque
|
59,119
|
Dubuque
|
Emmet
|
5,861
|
Estherville
|
Fayette
|
5,844
|
Oelwein
|
Floyd
|
7,281
|
Charles City
|
Franklin
|
4,307
|
Hampton
|
Fremont
|
885
|
Hamburg
|
Greene
|
4,136
|
Jefferson
|
Grundy
|
2,797
|
Grundy Center
|
Guthrie
|
1,577
|
Guthrie Center
|
Hamilton
|
7,751
|
Webster City
|
Hancock
|
3,051
|
Garner
|
Hardin
|
5,063
|
Iowa City
|
Harrison
|
2,684
|
Missouri Valley
|
Henry
|
8,982
|
Mount Pleasant
|
Howard
|
3,911
|
Cresco
|
Humboldt
|
4,773
|
Humboldt
|
Ida
|
2,045
|
Ida Grove
|
Iowa
|
3,364
|
Williamsburg
|
Jackson
|
6,068
|
Maquoketa
|
Jasper
|
15,667
|
Newton
|
|
County
|
City Pop.
|
City
|
Jefferson
|
9,641
|
Fairfield
|
Johnson
|
74,596
|
Iowa City
|
Jones
|
5,350
|
Anamosa
|
Keokuk
|
1,976
|
Sigourney
|
Kossuth
|
5,336
|
Algona
|
Lee
|
10,174
|
Fort Madison
|
Linn
|
136,467
|
Cedar Rapids
|
Louisa
|
2,058
|
Wapello
|
Lucas
|
4,220
|
Chariton
|
Lyon
|
2,617
|
Rock Rapids
|
Madison
|
5,385
|
Winterset
|
Mahaska
|
11,536
|
Oskaloosa
|
Marion
|
10,554
|
Pella
|
Marshall
|
27,388
|
Marshalltown
|
Mills
|
5,170
|
Glenwood
|
Mitchell
|
3,570
|
Osage
|
Monona
|
2,850
|
Onawa
|
Monroe
|
3,712
|
Albia
|
Montgomery
|
5,582
|
Red Oak
|
Muscatine
|
23,474
|
Muscatine
|
O'Brien
|
5,428
|
Sheldon
|
Osceola
|
2,841
|
Sibley
|
Page
|
5,493
|
Clarinda
|
Palo Alto
|
3,631
|
Emmetsburg
|
Plymouth
|
10,572
|
Le Mars
|
Pocahontas
|
1,870
|
Pocahontas
|
Polk
|
212,031
|
Des Moines
|
Pottawattamie
|
62,415
|
Council Bluffs
|
Poweshiek
|
9,513
|
Grinnell
|
Ringgold
|
1,617
|
Mount Ayr
|
Sac
|
2,041
|
Sac City
|
Scott
|
101,009
|
Davenport
|
Shelby
|
4,912
|
Harlan
|
Sioux
|
8,273
|
Sioux Center
|
Story
|
66,424
|
Ames
|
Tama
|
3,069
|
Tama
|
Taylor
|
1,482
|
Bedford
|
Union
|
7,487
|
Creston
|
Van Buren
|
920
|
Keosauqua
|
Wapello
|
25,350
|
Ottumwa
|
Warren
|
15,747
|
Indianola
|
Washington
|
7,255
|
Washington
|
Wayne
|
1,519
|
Corydon
|
Webster
|
24,912
|
Fort Dodge
|
Winnebago
|
4,238
|
Forest City
|
Winneshiek
|
7,747
|
Decorah
|
Woodbury
|
85,617
|
Sioux City
|
Worth
|
2,063
|
Northwood
|
Wright
|
3,573
|
Eagle Grove
|
|