Find out the list of Iowa (IA) counties in alphabetical order, seats, size.
The U.S state of Iowa consist of 99 counties, each having their characteristics from culture government to other aspects of life. These counties also serves as the administrative divisions
Kossuth County is the largest county Iowa by land area and Des Moines is the state capital.
Alphabetical list of Iowa (IA) counties
Adair County, IA
Adams County, IA
Allamakee County, IA
Appanoose County, IA
Audubon County, IA
Benton County, IA
Black Hawk County, IA
Boone County, IA
Bremer County, IA
Buchanan County, IA
Buena Vista County, IA
Butler County, IA
Calhoun County, IA
Carroll County, IA
Cass County, IA
Cedar County, IA
Cerro Gordo County, IA
Cherokee County, IA
Chickasaw County, IA
Clarke County, IA
Clay County, IA
Clayton County, IA
Clinton County, IA
Crawford County, IA
Dallas County, IA
Davis County, IA
Decatur County, IA
Delaware County, IA
Des Moines County, IA
Dickinson County, IA
Dubuque County, IA
Emmet County, IA
Fayette County, IA
Floyd County, IA
Franklin County, IA
Fremont County, IA
Greene County, IA
Grundy County, IA
Guthrie County, IA
Hamilton County, IA
Hancock County, IA
Hardin County, IA
Harrison County, IA
Henry County, IA
Howard County, IA
Humboldt County, IA
Ida County, IA
Iowa County, IA
Jackson County, IA
Jasper County, IA
Jefferson County, IA
Johnson County, IA
Jones County, IA
Keokuk County, IA
Kossuth County, IA
Lee County, IA
Linn County, IA
Louisa County, IA
Lucas County, IA
Lyon County, IA
Madison County, IA
Mahaska County, IA
Marion County, IA
Marshall County, IA
Mills County, IA
Mitchell County, IA
Monona County, IA
Monroe County, IA
Montgomery County, IA
Muscatine County, IA
Osceola County, IA
O’Brien County, IA
Page County, IA
Palo Alto County, IA
Plymouth County, IA
Pocahontas County, IA
Polk County, IA
Pottawattamie County, IA
Poweshiek County, IA
Ringgold County, IA
Sac County, IA
Scott County, IA
Shelby County, IA
Sioux County, IA
Story County, IA
Tama County, IA
Taylor County, IA
Union County, IA
Van Buren County, IA
Wapello County, IA
Warren County, IA
Washington County, IA
Wayne County, IA
Webster County, IA
Winnebago County, IA
Winneshiek County, IA
Woodbury County, IA
Worth County, IA
Wright County, IA
Alphabetical list of Iowa counties in printable and scannable format
Adair County, IA, Adams County, IA, Allamakee County, IA, Appanoose County, IA, Audubon County, IA
Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Buena Vista County, IA, Butler County, IA
Calhoun County, IA, Carroll County, IA, Cass County, IA, Cedar County, IA, Cerro Gordo County, IA, Cherokee County, IA, Chickasaw County, IA, Clarke County, IA, Clay County, IA, Clayton County, IA, Clinton County, IA, Crawford County, IA
Dallas County, IA, Davis County, IA, Decatur County, IA, Delaware County, IA, Des Moines County, IA, Dickinson County, IA, Dubuque County, IA
Emmet County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Fremont County, IA
Greene County, IA, Grundy County, IA, Guthrie County, IA
Hamilton County, IA, Hancock County, IA, Hardin County, IA, Harrison County, IA, Henry County, IA, Howard County, IA, Humboldt County, IA
Ida County, IA
Iowa County, IA
Jackson County, IA, Jasper County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA
Keokuk County, IA
Kossuth County, IA
Lee County, IA, Linn County, IA, Louisa County, IA, Lucas County, IA, Lyon County, IA
Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Mills County, IA, Mitchell County, IA, Monona County, IA, Monroe County, IA, Montgomery County, IA, Muscatine County, IA
Osceola County, IA
O’Brien County, IA
Page County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Polk County, IA, Pottawattamie County, IA, Poweshiek County, IA, Ringgold County, IA
Sac County, IA, Scott County, IA, Shelby County, IA, Sioux County, IA, Story County, IA
Tama County, IA, Taylor County, IA
Union County, IA
Van Buren County, IA
Wapello County, IA, Warren County, IA, Washington County, IA, Wayne County, IA, Webster County, IA, Winnebago County, IA, Winneshiek County, IA, Woodbury County, IA, Worth County, IA, Wright County, IA
List of Iowa counties and their size
Adair County (569 sq mi)
Adams County (424 sq mi)
Allamakee County (640 sq mi)
Appanoose County (496 sq mi)
Audubon County (443 sq mi)
Benton County (716 sq mi)
Black Hawk County (567 sq mi)
Boone County (572 sq mi)
Bremer County (428 sq mi)
Buchanan County (571 sq mi)
Buena Vista County (580 sq mi)
Butler County (580 sq mi)
Calhoun County (570 sq mi)
Carroll County (570 sq mi)
Cass County (565 sq mi)
Cedar County (579 sq mi)
Cerro Gordo County (575 sq mi)
Cherokee County (577 sq mi)
Chickasaw County (505 sq mi)
Clarke County (432 sq mi)
Clay County (569 sq mi)
Clayton County (779 sq mi)
Clinton County (695 sq mi)
Crawford County (715 sq mi)
Dallas County (592 sq mi)
Davis County (503 sq mi)
Decatur County (532 sq mi)
Delaware County (578 sq mi)
Des Moines County (416 sq mi)
Dickinson County (381 sq mi)
Dubuque County (608 sq mi)
Emmet County (396 sq mi)
Fayette County (731 sq mi)
Floyd County (501 sq mi)
Franklin County (583 sq mi)
Fremont County (511 sq mi)
Greene County (570 sq mi)
Grundy County (502 sq mi)
Guthrie County (591 sq mi)
Hamilton County (576 sq mi)
Hancock County (573 sq mi)
Hardin County (570 sq mi)
Harrison County (697 sq mi)
Henry County (437 sq mi)
Howard County (473 sq mi)
Humboldt County (436 sq mi)
Ida County (432 sq mi)
Iowa County (587 sq mi)
Jackson County (636 sq mi)
Jasper County (733 sq mi)
Jefferson County (437 sq mi)
Johnson County (614 sq mi)
Jones County (576 sq mi)
Keokuk County (580 sq mi)
Kossuth County (973 sq mi)
Lee County (537 sq mi)
Linn County (718 sq mi)
Louisa County (402 sq mi)
Lucas County (434 sq mi)
Lyon County (588 sq mi)
Madison County (562 sq mi)
Mahaska County (573 sq mi)
Marion County (555 sq mi)
Marshall County (573 sq mi)
Mills County (440 sq mi)
Mitchell County (469 sq mi)
Monona County (698 sq mi)
Monroe County (433 sq mi)
Montgomery County (424 sq mi)
Muscatine County (439 sq mi)
O'Brien County (573 sq mi)
Osceola County (399 sq mi)
Page County (535 sq mi)
Palo Alto County (564 sq mi)
Plymouth County (864 sq mi)
Pocahontas County (579 sq mi)
Polk County (592 sq mi)
Pottawattamie County (959 sq mi)
Poweshiek County (586 sq mi)
Ringgold County (535 sq mi)
Sac County (576 sq mi)
Scott County (468 sq mi)
Shelby County (591 sq mi)
Sioux County (768 sq mi)
Story County (574 sq mi)
Tama County (721 sq mi)
Taylor County (532 sq mi)
Union County (425 sq mi)
Van Buren (490 sq mi)
Wapello County (432 sq mi)
Warren County (573 sq mi)
Washington County (571 sq mi)
Wayne County (527 sq mi)
Webster County (718 sq mi)
Winnebago County (400 sq mi)
Winneshiek County (690 sq mi)
Woodbury County (873 sq mi)
Worth County (400 sq mi)
Wright County (580 sq mi)
List of all Iowa counties and their county seats
Adair County (Greenfield), Adams County (Corning), Allamakee County (Waukon), Appanoose County (Centerville), Audubon County (Audubon)
Benton County (Vinton), Black Hawk County (Waterloo), Boone County (Boone), Bremer County (Waverly), Buchanan County (Independence), Buena Vista County (Storm Lake), Butler County (Allison)
Calhoun County (Rockwell City), Carroll County (Carroll), Cass County (Atlantic), Cedar County (Tipton), Cerro Gordo County (Mason City), Cherokee County (Cherokee), Chickasaw County (New Hampton), Clarke County (Osceola), Clay County (Spencer), Clayton County (Elkader), Clinton County (Clinton), Crawford County (Denison)
Dallas County (Adel), Davis County (Bloomfield), Decatur County (Leon), Delaware County (Manchester), Des Moines County (Burlington), Dickinson County (Spirit Lake), Dubuque County (Dubuque), Emmet County (Estherville)
Fayette County (West Union), Floyd County (Charles City), Franklin County (Hampton), Fremont County (Sidney), Greene County (Jefferson), Grundy County (Grundy Center), Guthrie County (Guthrie Center)
Hamilton County (Webster City), Hancock County (Garner), Hardin County (Eldora), Harrison County (Logan), Henry County (Mount Pleasant), Howard County (Cresco), Humboldt County (Dakota City)
Ida County (Ida Grove), Iowa County (Marengo), Jackson County (Maquoketa), Jasper County (Newton), Jefferson County (Fairfield), Johnson County (Iowa City), Jones County (Anamosa), Keokuk County (Sigourney), Kossuth County (Algona), Lee County (Fort Madison & Keokuk), Linn County (Cedar Rapids), Louisa County (Wapello), Lucas County (Chariton), Lyon County (Rock Rapids)
Madison County (Winterset), Mahaska County (Oskaloosa), Marion County (Knoxville), Marshall County (Marshalltown), Mills County (Glenwood), Mitchell County (Osage), Monona County (Onawa), Monroe County (Albia), Montgomery County (Red Oak), Muscatine County (Muscatine)
O'Brien County (Primghar), Osceola County (Sibley), Page County (Clarinda), Palo Alto County (Emmetsburg), Plymouth County (Le Mars), Pocahontas County (Pocahontas), Polk County (Des Moines), Pottawattamie County (Council Bluffs), Poweshiek County (Montezuma), Ringgold County (Mount Ayr), Sac County (Sac City), Scott County (Davenport), Shelby County (Harlan), Sioux County (Orange City), Story County (Nevada), Tama County (Toledo), Taylor County (Bedford), Union County (Creston), Van Buren County (Keosauqua)
Wapello County (Ottumwa), Warren County (Indianola), Washington County (Washington), Wayne County (Corydon), Webster County (Fort Dodge), Winnebago County (Forest City), Winneshiek County (Decorah), Woodbury County (Sioux City), Worth County (Northwood), Wright County (Clarion).