| |
|
| County |
2000 Population |
Square Miles |
County Seat |
|
Adair County |
8,243 |
569 |
Greenfield |
|
Adams County |
4,482 |
424 |
Corning |
|
Allamakee County |
14,675 |
640 |
Waukon |
|
Appanoose County |
13,721 |
496 |
Centerville |
|
Audubon County |
6,830 |
443 |
Audubon |
|
Benton County |
25,308 |
716 |
Vinton |
|
Black Hawk County |
128,012 |
567 |
Waterloo |
|
Boone County |
26,224 |
572 |
Boone |
|
Bremer County |
23,325 |
438 |
Waverly |
|
Buchanan County |
21,093 |
571 |
Independence |
|
Buena Vista County |
20,411 |
575 |
Storm Lake |
|
Butler County |
15,305 |
580 |
Allison |
|
Calhoun County |
11,115 |
570 |
Rockwell City |
|
Carroll County |
21,421 |
569 |
Carroll |
|
Cass County |
14,684 |
564 |
Atlantic |
|
Cedar County |
18,187 |
580 |
Tipton |
|
Cerro Gordo County |
46,447 |
568 |
Mason City |
|
Cherokee County |
13,035 |
577 |
Cherokee |
|
Chickasaw County |
13,095 |
505 |
New Hampton |
|
Clarke County |
9,133 |
431 |
Osceola |
|
Clay County |
17,372 |
569 |
Spencer |
|
Clayton County |
18,678 |
779 |
Elkader |
|
Clinton County |
50,149 |
695 |
Clinton |
|
Crawford County |
16,942 |
714 |
Denison |
|
Dallas County |
40,750 |
586 |
Adel |
|
Davis County |
8,541 |
503 |
Bloomfield |
|
Decatur County |
8,689 |
532 |
Leon |
|
Delaware County |
18,404 |
578 |
Manchester |
|
Des Moines County |
42,351 |
416 |
Burlington |
|
Dickinson County |
16,424 |
381 |
Spirit Lake |
|
Dubuque County |
89,143 |
608 |
Dubuque |
|
Emmet County |
11,027 |
396 |
Estherville |
|
Fayette County |
22,008 |
731 |
West Union |
|
Floyd County |
16,900 |
501 |
Charles City |
|
Franklin County |
10,704 |
582 |
Hampton |
|
Fremont County |
8,010 |
511 |
Sidney |
|
Greene County |
10,366 |
568 |
Jefferson |
|
Grundy County |
12,369 |
503 |
Grundy Center |
|
Guthrie County |
11,353 |
591 |
Guthrie Center |
|
Hamilton County |
16,438 |
577 |
Webster City |
|
Hancock County |
12,100 |
571 |
Garner |
|
Hardin County |
18,812 |
569 |
Eldora |
|
Harrison County |
15,666 |
697 |
Logan |
|
Henry County |
20,336 |
434 |
Mount Pleasant |
|
Howard County |
9,932 |
473 |
Cresco |
|
Humboldt County |
10,381 |
434 |
Dakota City |
|
Ida County |
7,837 |
432 |
Ida Grove |
|
Iowa County |
15,671 |
586 |
Marengo |
|
Jackson County |
20,296 |
636 |
Maquoketa |
|
Jasper County |
37,213 |
730 |
Newton |
|
Jefferson County |
16,181 |
435 |
Fairfield |
|
Johnson County |
111,006 |
614 |
Iowa City |
|
Jones County |
20,221 |
575 |
Anamosa |
|
Keokuk County |
11,400 |
579 |
Sigourney |
|
Kossuth County |
17,163 |
973 |
Algona |
|
Lee County |
38,052 |
517 |
Fort Madison |
|
Linn County |
191,701 |
718 |
Cedar Rapids |
|
Louisa County |
12,183 |
402 |
Wapello |
|
Lucas County |
9,422 |
431 |
Chariton |
|
Lyon County |
11,763 |
588 |
Rock Rapids |
|
Madison County |
14,019 |
561 |
Winterset |
|
Mahaska County |
22,335 |
571 |
Oskaloosa |
|
Marion County |
32,052 |
554 |
Knoxville |
|
Marshall County |
39,311 |
572 |
Marshalltown |
|
Mills County |
14,547 |
437 |
Glenwood |
|
Mitchell County |
10,874 |
469 |
Osage |
|
Monona County |
10,020 |
693 |
Onawa |
|
Monroe County |
8,016 |
433 |
Albia |
|
Montgomery County |
11,771 |
424 |
Red Oak |
|
Muscatine County |
41,722 |
439 |
Muscatine |
|
O'Brien County |
15,102 |
573 |
Primghar |
|
Osceola County |
7,003 |
399 |
Sibley |
|
Page County |
16,976 |
535 |
Clarinda |
|
Palo Alto County |
10,147 |
564 |
Emmetsburg |
|
Plymouth County |
24,849 |
864 |
Le Mars |
|
Pocahontas County |
8,662 |
578 |
Pocahontas |
|
Polk County |
374,601 |
570 |
Des Moines |
|
Pottawattamie County |
87,704 |
954 |
Council Bluffs |
|
Poweshiek County |
18,815 |
585 |
Montezuma |
|
Ringgold County |
5,469 |
538 |
Mount Ayr |
|
Sac County |
11,529 |
576 |
Sac City |
|
Scott County |
158,668 |
458 |
Davenport |
|
Shelby County |
13,173 |
591 |
Harlan |
|
Sioux County |
31,589 |
768 |
Orange City |
|
Story County |
79,981 |
573 |
Nevada |
|
Tama County |
18,103 |
721 |
Toledo |
|
Taylor County |
6,958 |
534 |
Bedford |
|
Union County |
12,309 |
424 |
Creston |
|
Van Buren County |
7,809 |
485 |
Keosauqua |
|
Wapello County |
36,051 |
432 |
Ottumwa |
|
Warren County |
40,671 |
572 |
Indianola |
|
Washington County |
20,670 |
569 |
Washington |
|
Wayne County |
6,730 |
526 |
Corydon |
|
Webster County |
40,235 |
715 |
Fort Dodge |
|
Winnebago County |
11,723 |
400 |
Forest City |
|
Winneshiek County |
21,310 |
690 |
Decorah |
|
Woodbury County |
103,877 |
873 |
Sioux City |
|
Worth County |
7,909 |
400 |
Northwood |
|
Wright County |
14,334 |
581 |
Clarion |
|
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