Iowa County Map

Iowa County Map
Description:Iowa county map showing all the counties along with its seats. Disclaimer

Disclaimer  :  All efforts have been made to make this image accurate. However Compare Infobase Limited, its directors and employees do not own any responsibility for the correctness or authenticity of the same.

Iowa Zip Codes

Iowa Zip Codes Map
with Counties and Cities

About the Iowa Counties

The state of Iowa is home to 99 counties. The state introduced its first counties (Dubuque County and Des Moines County) in the year 1834. At this point of time, Iowa was not separated from the Michigan Territory. However, in 1836 a portion of the Michigan Territory got converted into Wisconsin Territory in the year 1836. And, after two years, the western area was divided to form the Iowa territory. On 28 December 1846, the south eastern region of the Iowa Territory was converted to Iowa as the 29th state of the union. By 1857, the state had all its forty four counties intact, the last being the Humboldt County. However, forty nine counties of this state were formed on 15 January 1851.

As per the Iowa Constitution, which was introduced in 1857, the counties should have a minimum area of 432 square miles. Moreover, it also states that no county can be reduced below the mentioned area. But then, with time, exceptions to the mentioned rule was permitted because ten of the remaining counties had smaller area than the specified. The largest county of this state is Kossuth County with an approximate area of 973 square miles while Dickinson County being the smallest of all that records an approximate area of 381 square miles.

Some of the prominent counties of Iowa are : 

Kossuth County : Located in the state of Iowa, this county holds an approximate population of 15,543 as per the 2010 census records. Its county seat is Algona. The county was formed on 15 January 1851 and named after Hungary’s Regent President, Lajos Kossuth. The adjacent counties, include Martin County (Minnesota), Faribault County (Minnesota), Emmet County, Palo Alto County, Humboldt County, Hancock County, and Winnebago County.

The county carves a niche for its rich heritage and remarkable fine arts. Some of the must visit destinations, include the Sherman Township Country Schoolhouse and the Lone Rock Railroad Depot Museum, Jailhouse & Caboose in LuVerne, Bancroft’s Memorial Park, Ambrose A. Call State Park, and Union Slough National Wildlife Refuge.

If one is eyeing on school life education or higher education, Kossuth County ensures to help with a wide array of learning opportunities. The major colleges and universities in Iowa are Iowa Lakes Community College, Briar Cliff University, and Buena Vista University.

Humboldt County : Located in the state of Iowa, the Humboldt County recorded an approximate population of 9,815 as per the census records of 2010. It was formed in 1857 and has the Dakota City as its county seat. The county got its name after Alexander von Humboldt. It was introduced as the smallest county in the year 1851; however the county lines were re-established on 1 July 1855 wherein some land from Webster County and Kossuth County were added. The old borders were newly established on 26 February 1857; at this point of time the Webster County refused to return the land, as a result of which the Humboldt County was left with twelve townships.

On the tour to this county, one must visit the Corydon Brown House.

Dickinson County : The smallest of all counties, Dickinson was named after Daniel S. Dickinson, a New York based senator and lawyer. It was established in 1857 whose county seat is Spirit Lake. The first courthouse of this county was established in Spirit Lake in the year 1868. But then, the building got destroyed in 1872 because of a fire-breakout.

The major attractions in this county are Abbie Gardner Sharp Cabin, Spirit Lake, Iowa Great Lakes, and Higgins Museum of National Bank Notes.

The campus of Iowa Lakes Community College in Spirit Lake offers a range of academic programs including science, technology, and more.

Dubuque County : Located in the state of Iowa, the county got its name from Iowa’s first European settler, Julien Dubuque. It was formed in 1834 having Dubuque as its county seat. It holds the seventh position in terms of population among the other counties of Iowa. The adjacent counties include Clayton County, Grant County (Wisconsin), Jo Daviess County, Jackson County, Jones County, and Delaware County.

On a trip to this county, some of the must see destinations are: Saint Boniface Church (New Vienna, Iowa), Basilica of St. Francis Xavier, National Farm Toy Museum, Grand Harbor Resort and Waterpark, Linwood Cemetery (Dubuque), to name a few.

Education sector of Dubuque County is fast developing and some of its best universities and colleges, include Clarke University, University of Dubuque, Loras College, Divine Word College, etc.


List of Counties in Iowa
County NamePopulationArea (sq. mi.)County NamePopulationArea (sq. mi.)
Adair County8,243569Jefferson County16,181435
Adams County4,482424Johnson County111,006614
Allamakee County14,675640Jones County20,221575
Appanoose County13,721496Keokuk County11,400579
Audubon County6,830443Kossuth County17,163973
Benton County25,308716Lee County38,052517
Black Hawk County128,012567Linn County191,701717
Boone County26,224571Louisa County12,183402
Bremer County23,325438Lucas County9,422431
Buchanan County21,093571Lyon County11,763588
Buena Vista County20,411575Madison County14,019561
Butler County15,305580Mahaska County22,335571
Calhoun County11,115570Marion County32,052554
Carroll County21,421569Marshall County39,311572
Cass County14,684564Mills County14,547437
Cedar County18,187580Mitchell County10,874469
Cerro Gordo County46,447568Monona County10,020693
Cherokee County13,035577Monroe County8,016433
Chickasaw County13,095505Montgomery County11,771424
Clarke County9,133431Muscatine County41,722439
Clay County17,372569O'Brien County15,102573
Clayton County18,678779Osceola County7,003399
Clinton County50,149695Page County16,976535
Crawford County16,942714Palo Alto County10,147564
Dallas County40,750586Plymouth County24,849864
Davis County8,541503Pocahontas County8,662578
Decatur County8,689532Polk County374,601569
Delaware County18,404578Pottawattamie County87,704954
Des Moines County42,351416Poweshiek County18,815585
Dickinson County16,424381Ringgold County5,469538
Dubuque County89,143608Sac County11,529576
Emmet County11,027396Scott County158,668458
Fayette County22,008731Shelby County13,173591
Floyd County16,900501Sioux County31,589768
Franklin County10,704582Story County79,981573
Fremont County8,010511Tama County18,103721
Greene County10,366568Taylor County6,958534
Grundy County12,369503Union County12,309424
Guthrie County11,353591Van Buren County7,809485
Hamilton County16,438577Wapello County36,051432
Hancock County12,100571Warren County40,671572
Hardin County18,812569Washington County20,670569
Harrison County15,666697Wayne County6,730526
Henry County20,336434Webster County40,235715
Howard County9,932473Winnebago County11,723400
Humboldt County10,381434Winneshiek County21,310690
Ida County7,837432Woodbury County103,877873
Iowa County15,671586Worth County7,909400
Jackson County20,296636Wright County14,334581
Jasper County37,213730  

Last Updated Date: June 22,2020

SOUTH DAKOTA NEBRASKA ILLINOIS MISSOURI KANSAS MINNESOTA WISCONSIN Allamakee Winneshiek Howard Mitchell Worth Winnebago Kossuth Emmet Dickinson Osceola O'Brien Lyon Sioux Plymouth Cherokee Clay Palo Alto Buena Vista Clayton Fayette Bremer Chickasaw Floyd Cerro Gordo Hancock Pocahontas Woodbury Ida Sac Calhoun Webster Humboldt Wright Hamilton Hardin Franklin Butler Grundy Black Hawk Buchanan Delaware Dubuque Jackson Monona Crawford Carroll Greene Boone Story Marshall Tama Benton Linn Jones Clinton Scott Cedar Johnson Iowa Poweshiek Jasper Polk Dallas Guthrie Audubon Shelby Harrison Pottawattamie Cass Adair Madison Warren Marion Mahaska Keokuk Washington Louisa Des Moines Henry Lee Van Buren Jefferson Wapello Davis Appanoose Monroe Lucas Wayne Decatur Clarke Union RInggold Taylor Adams Montgomery Mills Fremont Page Muscatine