Iowa

Iowa has 99 Counties.

Google Map View of Iowa

Iowa State Map


Iowa Data Sets/Links
Places/Cities
Population Figures
PILT Figures
SCAAP Funding
CDBG & HOME
State of Iowa Website
Census Bureau QuickFacts
50States.com

Iowa State Association of Counties
5500 Westown Pkwy Ste 190
West Des Moines, IA 50266-8364
Phone: (515)244-7181
Fax: (515)244-6397
http://www.iowacounties.org/

County NACo
Member
2010
Population
Square
Miles
County Seat Board
Size
Founded
Adair 7,682 569 Greenfield   1851 
Adams   4,029 423 Corning   1851 
Allamakee 14,330 639 Waukon   1847 
Appanoose 12,887 497 Centerville   1843 
Audubon   6,119 443 Audubon   1851 
Benton 26,076 716 Vinton   1837 
Black Hawk 131,090 566 Waterloo   1843 
Boone 26,306 572 Boone   1846 
Bremer 24,276 435 Waverly   1851 
Buchanan 20,958 571 Independence   1837 
Buena Vista 20,260 575 Storm Lake   1851 
Butler 14,867 580 Allison   1851 
Calhoun 9,670 570 Rockwell City   1851 
Carroll 20,816 569 Carroll   1851 
Cass 13,956 564 Atlantic   1851 
Cedar   18,499 579 Tipton   1837 
Cerro Gordo 44,151 568 Mason City   1851 
Cherokee 12,072 577 Cherokee   1851 
Chickasaw 12,439 504 New Hampton   1851 
Clarke 9,286 431 Osceola   1846 
Clay 16,667 567 Spencer   1851 
Clayton 18,129 779 Elkader   1837 
Clinton 49,116 695 Clinton   1837 
Crawford 17,096 714 Denison   1851 
Dallas 66,135 588 Adel   1846 
Davis 8,753 502 Bloomfield   1843 
Decatur   8,457 532 Leon   1846 
Delaware   17,764 578 Manchester  1837 
Des Moines   40,325 416 Burlington  1834 
Dickinson 16,667 381 Spirit Lake   1851 
Dubuque 93,653 608 Dubuque   1834 
Emmet 10,302 396 Estherville   1851 
Fayette   20,880 731 West Union   1837 
Floyd   16,303 501 Charles City   1851 
Franklin 10,680 582 Hampton   1851 
Fremont 7,441 511 Sidney   1847 
Greene 9,336 570 Jefferson   1851 
Grundy 12,453 502 Grundy Center   1851 
Guthrie   10,954 591 Guthrie Center   1851 
Hamilton 15,673 577 Webster City   1856 
Hancock   11,341 571 Garner   1851 
Hardin 17,534 569 Eldora   1851 
Harrison 14,928 697 Logan   1851 
Henry 20,145 434 Mount Pleasant   1836 
Howard 9,566 473 Cresco   1851 
Humboldt 9,815 434 Dakota City   1851 
Ida   7,089 432 Ida Grove   1851 
Iowa   16,355 586 Marengo   1843 
Jackson 19,848 636 Maquoketa   1837 
Jasper 36,842 730 Newton   1846 
Jefferson 16,843 436 Fairfield   1839 
Johnson 130,882 614 Iowa City   1837 
Jones 20,638 576 Anamosa   1837 
Keokuk   10,511 579 Sigourney   1837 
Kossuth 15,543 973 Algona   1851 
Lee   35,862 518 Fort Madison and Keokuk   1836 
Linn 211,226 717 Cedar Rapids   1837 
Louisa   11,387 402 Wapello   1836 
Lucas 8,898 431 Chariton   1846 
Lyon 11,581 588 Rock Rapids   1851 
Madison   15,679 561 Winterset   1844 
Mahaska   22,381 571 Oskaloosa   1843 
Marion 33,309 555 Knoxville   1845 
Marshall 40,648 573 Marshalltown   1846 
Mills 15,059 437 Glenwood   1851 
Mitchell 10,776 469 Osage   1851 
Monona 9,243 694 Onawa   1851 
Monroe 7,970 434 Albia   1843 
Montgomery   10,740 424 Red Oak   1851 
Muscatine   42,745 437 Muscatine   1836 
O'Brien   14,398 573 Primghar   1851 
Osceola   6,462 399 Sibley   1851 
Page   15,932 535 Clarinda   1847 
Palo Alto 9,421 564 Emmetsburg   1851 
Plymouth 24,986 863 Le Mars   1851 
Pocahontas 7,310 577 Pocahontas   1851 
Polk 430,640 574 Des Moines   1846 
Pottawattamie 93,158 950 Council Bluffs   1848 
Poweshiek 18,914 585 Montezuma   1843 
Ringgold 5,131 536 Mount Ayr   1855 
Sac 10,350 575 Sac City   1851 
Scott 165,224 458 Davenport   1837 
Shelby 12,167 591 Harlan   1851 
Sioux 33,704 768 Orange City   1851 
Story 89,542 573 Nevada   1846 
Tama 17,767 721 Toledo   1843 
Taylor 6,317 532 Bedford   1847 
Union 12,534 424 Creston   1851 
Van Buren   7,570 485 Keosauqua   1836 
Wapello 35,625 432 Ottumwa   1843 
Warren 46,225 570 Indianola   1846 
Washington 21,704 569 Washington  1837 
Wayne 6,403 525 Corydon   1846 
Webster 38,013 716 Fort Dodge   1853 
Winnebago 10,866 400 Forest City   1847 
Winneshiek 21,056 690 Decorah   1847 
Woodbury 102,172 873 Sioux City  1851 
Worth 7,598 400 Northwood   1851 
Wright 13,229 580 Clarion   1851