Iowa County Map
Iowa consists of 99 counties, each of which functions as a local government unit.
Image info: Size: 1600x1156px / 454 Kb, file format: JPEG, Author: Mapsius.com Team
About the map:
This Iowa County Map shows the state border, county borders, and county names.
Attribution is required! You may download, print or use the above map for educational, personal and non-commercial purposes. You must place a hyperlink (to this page) with attribution next to the image you use.
Map of Counties and County Seats in Iowa
Image info: Size: 1800x1300px / 797 Kb, file format: JPEG, Author: Mapsius.com Team
About the map:
This Map of Counties and County Seats in Iowa shows state borders, state names, state capital city, county borders, county names and county seats.
County seats are indicated by a red circle, the state capital city is indicated by a star in the red circle. The larger the city in terms of population, the larger the circle on the map and the larger the font of the city name.
Attribution is required! You may download, print or use the above map for educational, personal and non-commercial purposes. You must place a hyperlink (to this page) with attribution next to the image you use.
List of counties in Iowa
Iowa consists of 99 counties, each of which is an administrative region of the state. Kossuth County, the largest in area, covers approximately 973 square miles (2,520 km2). Polk County, the most populous, is home to more than 505,000 people.
| County | County Seat | Area | Population (2023)[1] | FIPS Code |
|---|---|---|---|---|
| Adair County | Greenfield | 569 sq mi (1,474 km2) | 7,389 | 001 |
| Adams County | Corning | 424 sq mi (1,098 km2) | 3,544 | 003 |
| Allamakee County | Waukon | 640 sq mi (1,658 km2) | 14,074 | 005 |
| Appanoose County | Centerville | 496 sq mi (1,285 km2) | 12,119 | 007 |
| Audubon County | Audubon | 443 sq mi (1,147 km2) | 5,534 | 009 |
| Benton County | Vinton | 716 sq mi (1,854 km2) | 25,796 | 011 |
| Black Hawk County | Waterloo | 567 sq mi (1,469 km2) | 130,471 | 013 |
| Boone County | Boone | 572 sq mi (1,481 km2) | 26,590 | 015 |
| Bremer County | Waverly | 428 sq mi (1,109 km2) | 25,307 | 017 |
| Buchanan County | Independence | 571 sq mi (1,479 km2) | 20,691 | 019 |
| Buena Vista County | Storm Lake | 575 sq mi (1,489 km2) | 20,567 | 021 |
| Butler County | Allison | 580 sq mi (1,502 km2) | 14,172 | 023 |
| Calhoun County | Rockwell City | 570 sq mi (1,476 km2) | 9,763 | 025 |
| Carroll County | Carroll | 569 sq mi (1,474 km2) | 20,522 | 027 |
| Cass County | Atlantic | 564 sq mi (1,461 km2) | 13,130 | 029 |
| Cedar County | Tipton | 580 sq mi (1,502 km2) | 18,302 | 031 |
| Cerro Gordo County | Mason City | 568 sq mi (1,471 km2) | 42,406 | 033 |
| Cherokee County | Cherokee | 577 sq mi (1,494 km2) | 11,605 | 035 |
| Chickasaw County | New Hampton | 505 sq mi (1,308 km2) | 11,658 | 037 |
| Clarke County | Osceola | 431 sq mi (1,116 km2) | 9,588 | 039 |
| Clay County | Spencer | 569 sq mi (1,474 km2) | 16,511 | 041 |
| Clayton County | Elkader | 779 sq mi (2,018 km2) | 16,969 | 043 |
| Clinton County | Clinton | 695 sq mi (1,800 km2) | 46,158 | 045 |
| Crawford County | Denison | 714 sq mi (1,849 km2) | 16,013 | 047 |
| Dallas County | Adel | 586 sq mi (1,518 km2) | 111,092 | 049 |
| Davis County | Bloomfield | 503 sq mi (1,303 km2) | 9,169 | 051 |
| Decatur County | Leon | 532 sq mi (1,378 km2) | 7,665 | 053 |
| Delaware County | Manchester | 578 sq mi (1,497 km2) | 17,600 | 055 |
| Des Moines County | Burlington | 416 sq mi (1,077 km2) | 38,253 | 057 |
| Dickinson County | Spirit Lake | 381 sq mi (987 km2) | 18,056 | 059 |
| Dubuque County | Dubuque | 608 sq mi (1,575 km2) | 98,887 | 061 |
| Emmet County | Estherville | 396 sq mi (1,026 km2) | 9,229 | 063 |
| Fayette County | West Union | 731 sq mi (1,893 km2) | 19,210 | 065 |
| Floyd County | Charles City | 501 sq mi (1,298 km2) | 15,326 | 067 |
| Franklin County | Hampton | 582 sq mi (1,507 km2) | 9,875 | 069 |
| Fremont County | Sidney | 511 sq mi (1,323 km2) | 6,458 | 071 |
| Greene County | Jefferson | 568 sq mi (1,471 km2) | 8,584 | 073 |
| Grundy County | Grundy Center | 503 sq mi (1,303 km2) | 12,384 | 075 |
| Guthrie County | Guthrie Center | 591 sq mi (1,531 km2) | 10,722 | 077 |
| Hamilton County | Webster City | 577 sq mi (1,494 km2) | 14,729 | 079 |
| Hancock County | Garner | 571 sq mi (1,479 km2) | 10,615 | 081 |
| Hardin County | Eldora | 569 sq mi (1,474 km2) | 16,463 | 083 |
| Harrison County | Logan | 697 sq mi (1,805 km2) | 14,670 | 085 |
| Henry County | Mount Pleasant | 434 sq mi (1,124 km2) | 19,547 | 087 |
| Howard County | Cresco | 473 sq mi (1,225 km2) | 9,376 | 089 |
| Humboldt County | Dakota City | 434 sq mi (1,124 km2) | 9,500 | 091 |
| Ida County | Ida Grove | 432 sq mi (1,119 km2) | 6,833 | 093 |
| Iowa County | Marengo | 586 sq mi (1,518 km2) | 16,381 | 095 |
| Jackson County | Maquoketa | 636 sq mi (1,647 km2) | 19,342 | 097 |
| Jasper County | Newton | 730 sq mi (1,891 km2) | 37,919 | 099 |
| Jefferson County | Fairfield | 435 sq mi (1,127 km2) | 15,440 | 101 |
| Johnson County | Iowa City | 614 sq mi (1,590 km2) | 157,528 | 103 |
| Jones County | Anamosa | 575 sq mi (1,489 km2) | 20,900 | 105 |
| Keokuk County | Sigourney | 579 sq mi (1,500 km2) | 9,914 | 107 |
| Kossuth County | Algona | 973 sq mi (2,520 km2) | 14,396 | 109 |
| Lee County | Fort Madison and Keokuk | 517 sq mi (1,339 km2) | 32,565 | 111 |
| Linn County | Cedar Rapids | 718 sq mi (1,860 km2) | 228,972 | 113 |
| Louisa County | Wapello | 402 sq mi (1,041 km2) | 10,513 | 115 |
| Lucas County | Chariton | 431 sq mi (1,116 km2) | 8,747 | 117 |
| Lyon County | Rock Rapids | 588 sq mi (1,523 km2) | 12,324 | 119 |
| Madison County | Winterset | 561 sq mi (1,453 km2) | 16,971 | 121 |
| Mahaska County | Oskaloosa | 571 sq mi (1,479 km2) | 21,874 | 123 |
| Marion County | Knoxville | 554 sq mi (1,435 km2) | 33,770 | 125 |
| Marshall County | Marshalltown | 572 sq mi (1,481 km2) | 40,014 | 127 |
| Mills County | Glenwood | 437 sq mi (1,132 km2) | 14,633 | 129 |
| Mitchell County | Osage | 469 sq mi (1,215 km2) | 10,518 | 131 |
| Monona County | Onawa | 693 sq mi (1,795 km2) | 8,493 | 133 |
| Monroe County | Albia | 433 sq mi (1,121 km2) | 7,504 | 135 |
| Montgomery County | Red Oak | 424 sq mi (1,098 km2) | 10,139 | 137 |
| Muscatine County | Muscatine | 439 sq mi (1,137 km2) | 42,218 | 139 |
| O'Brien County | Primghar | 573 sq mi (1,484 km2) | 14,012 | 141 |
| Osceola County | Sibley | 399 sq mi (1,033 km2) | 5,978 | 143 |
| Page County | Clarinda | 535 sq mi (1,386 km2) | 15,014 | 145 |
| Palo Alto County | Emmetsburg | 564 sq mi (1,461 km2) | 8,810 | 147 |
| Plymouth County | Le Mars | 864 sq mi (2,238 km2) | 25,722 | 149 |
| Pocahontas County | Pocahontas | 578 sq mi (1,497 km2) | 6,976 | 151 |
| Polk County | Des Moines | 570 sq mi (1,476 km2) | 505,255 | 153 |
| Pottawattamie County | Council Bluffs | 954 sq mi (2,471 km2) | 93,179 | 155 |
| Poweshiek County | Montezuma | 585 sq mi (1,515 km2) | 18,453 | 157 |
| Ringgold County | Mount Ayr | 538 sq mi (1,393 km2) | 4,642 | 159 |
| Sac County | Sac City | 576 sq mi (1,492 km2) | 9,686 | 161 |
| Scott County | Davenport | 458 sq mi (1,186 km2) | 174,270 | 163 |
| Shelby County | Harlan | 591 sq mi (1,531 km2) | 11,806 | 165 |
| Sioux County | Orange City | 768 sq mi (1,989 km2) | 36,246 | 167 |
| Story County | Nevada | 573 sq mi (1,484 km2) | 98,566 | 169 |
| Tama County | Toledo | 721 sq mi (1,867 km2) | 16,833 | 171 |
| Taylor County | Bedford | 534 sq mi (1,383 km2) | 5,924 | 173 |
| Union County | Creston | 424 sq mi (1,098 km2) | 11,906 | 175 |
| Van Buren County | Keosauqua | 485 sq mi (1,256 km2) | 7,266 | 177 |
| Wapello County | Ottumwa | 432 sq mi (1,119 km2) | 35,166 | 179 |
| Warren County | Indianola | 572 sq mi (1,481 km2) | 55,205 | 181 |
| Washington County | Washington | 569 sq mi (1,474 km2) | 22,560 | 183 |
| Wayne County | Corydon | 526 sq mi (1,362 km2) | 6,557 | 185 |
| Webster County | Fort Dodge | 715 sq mi (1,852 km2) | 36,485 | 187 |
| Winnebago County | Forest City | 400 sq mi (1,036 km2) | 10,571 | 189 |
| Winneshiek County | Decorah | 690 sq mi (1,787 km2) | 19,815 | 191 |
| Woodbury County | Sioux City | 873 sq mi (2,261 km2) | 105,951 | 193 |
| Worth County | Northwood | 400 sq mi (1,036 km2) | 7,297 | 195 |
| Wright County | Clarion | 581 sq mi (1,505 km2) | 12,656 | 197 |