• county
  • FIPS 19039
  • Largest town: Osceola

Clarke County, Iowa

Clarke County had 9,524 residents in the Census Vintage 2024 estimate, on 431.1 square miles of land. It ranks 78th of 99 in Iowa by population and 88th by land area.

Population
9,524
#78 of 99 in Iowa · #2,447 in US
Area
431.1 sq mi
#88 of 99 in Iowa · #2,357 in US
Density
22 / sq mi
#66 of 99 in Iowa · #2,165 in US
Median household income
$65,162
#68 of 99 in Iowa · #1,357 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clarke County within Iowa. Pin: Des Moines.

Measure from here

Tools and pages that start from Clarke County

Clarke County population, land area and income

Clarke County had 9,524 residents in the Census Vintage 2024 estimate, on 431.1 square miles of land. It ranks 78th of 99 in Iowa by population and 88th by land area. That works out to 22.1 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Iowa has 15,008 residents; Clarke County is somewhat smaller.

Its SAIPE 2023 median household income of $65,162 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

9,524

3144th1st

2447th of 3,144 (US)

Land area

431 sq mi

3144th1st

2357th of 3,144 (US)

Density

22.1 / sq mi

3144th1st

2165th of 3,144 (US)

Median household income

$65,162

3143rd1st

1357th of 3,143 (US)

Rank within Iowa (99)

Population

9,524

99th1st

78th of 99 (IA)

Land area

431 sq mi

99th1st

88th of 99 (IA)

Density

22.1 / sq mi

99th1st

66th of 99 (IA)

Median household income

$65,162

99th1st

68th of 99 (IA)

How Clarke County's population changed since 2020

Clarke County lost 206 residents between the July 2020 and July 2024 estimates, a drop of 2.1%. That ranks 84th of 99 in Iowa for growth. The median Iowa county changed by -0.6%, and the state as a whole by +1.6%.

Since the April 2020 estimates base, Clarke County recorded 527 births and 563 deaths, a natural change of -36. Net international migration added +37 and net domestic migration, people moving to or from other US counties, came to -230. The largest single component was domestic migration, which removed 230 people.

9,73020209,75120219,67620229,63120239,5242024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
527
Deaths
563
Net international migration
+37
Net domestic migration
-230
Change, July 2023 to July 2024
-107

Where Clarke County is

The Census internal point of Clarke County is at 41.029700, -93.785300. It sits in UTM zone 15N. The map shades Iowa's 99 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Clarke County outlined. Dots are towns of 1,000+ people with residents in it.

Monroe County: -2.9%Worth County: -1.7%Buena Vista County: +0.0%Jasper County: +0.8%Van Buren County: -0.0%Hardin County: -2.2%Ida County: -3.1%Marshall County: +0.8%Fayette County: -1.5%Ringgold County: -0.8%Wapello County: +1.0%Webster County: -0.2%Adams County: -2.8%Buchanan County: +0.6%Cerro Gordo County: -1.2%Lucas County: +1.6%Emmet County: -1.9%Floyd County: -3.8%Crawford County: -0.7%Linn County: +0.6%Montgomery County: -2.6%Polk County: +4.7%Cherokee County: +0.0%Bremer County: +1.3%Grundy County: +0.5%Adair County: -0.8%Cedar County: -1.4%Story County: +3.9%Mahaska County: -0.6%Davis County: +0.9%Clay County: +0.8%Johnson County: +4.6%Greene County: -1.0%Palo Alto County: -2.0%Benton County: +1.0%Cass County: -0.7%Wright County: -1.5%Audubon County: -2.1%Henry County: -5.3%Boone County: +0.1%Appanoose County: -1.4%Washington County: +0.4%Chickasaw County: -2.2%Poweshiek County: -0.9%Osceola County: -2.6%Wayne County: +1.8%Mitchell County: +0.4%Jefferson County: +0.5%Union County: -1.4%Butler County: -1.2%Hancock County: -1.3%Marion County: +1.9%Delaware County: +0.9%Humboldt County: +0.2%Sioux County: +1.8%Des Moines County: -1.1%O'Brien County: +0.8%Clayton County: -0.6%Black Hawk County: +1.0%Winnebago County: -2.6%Harrison County: +0.4%Decatur County: -1.0%Pocahontas County: -0.9%Lyon County: +3.8%Iowa County: -1.4%Franklin County: +0.3%Dickinson County: +2.2%Madison County: +3.2%Allamakee County: +0.8%Jones County: +2.2%Carroll County: -1.6%Kossuth County: -2.6%Hamilton County: -1.0%Howard County: -1.4%Page County: -1.1%Guthrie County: +1.5%Tama County: -1.8%Monona County: -3.6%Clarke County: -2.1%Lee County: -3.4%Mills County: +2.1%Sac County: -2.7%Scott County: +0.6%Keokuk County: -1.6%Jackson County: -0.3%Warren County: +7.1%Calhoun County: -1.9%Shelby County: +0.8%Fremont County: -1.1%Dubuque County: -0.1%Louisa County: -1.8%Taylor County: -0.6%Woodbury County: +1.2%Clinton County: -0.9%Winneshiek County: -1.6%Pottawattamie County: -0.1%Plymouth County: +0.5%Muscatine County: -2.4%Dallas County: +14.7%
Change 2020 to 2024
  1. < -1.9%
  2. < -1.0%
  3. < +0.0%
  4. < +0.9%
  5. ≥ +0.9%
no data

Orange pin: Clarke County internal point. Dark pin: Des Moines.

Internal point

Decimal
41.029700, -93.785300
DMS
41°01'46.92"N 93°47'7.08"W
UTM
15N 433984.4E 4542351.0N
Geohash
9zm33v5xk
Plus code
86H826H7+VV

Towns in Clarke County

One incorporated place of 1,000+ people has residents in Clarke County, 5,585 people together, or 59% of the county. Each figure counts only the part of the town inside Clarke County; towns marked "part" extend into another county. The largest is Osceola with 5,585.

  1. 01Osceola5,585
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clarke County

The Census 2024 county adjacency file lists 7 neighbors for Clarke County. The most populous is Warren County, IA, with 56,343 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 39.9 miles NNE of Clarke County's internal point in a straight line. The nearest place of 100,000 or more is Des Moines, IA (population 213,096), 38.6 miles away. The nearest place of 10,000 or more is Indianola, IA (population 16,297), 25.7 miles away.

Clarke County FIPS code

The FIPS code of Clarke County is 19039: state code 19 for Iowa plus county code 039. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,162.

Questions people ask

What is the population of Clarke County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 9,524. That is down 206 people (2.1%) from the July 2020 estimate of 9,730.

What is the FIPS code of Clarke County?

19039. The first two digits (19) are Iowa; the last three (039) identify the county.

What is the largest town in Clarke County?

Osceola, with 5,585 residents inside Clarke County in 2024.

Which counties border Clarke County?

7 county-equivalents border it in the Census 2024 adjacency file: Warren County, IA; Madison County, IA; Union County, IA; Lucas County, IA; Decatur County, IA; Wayne County, IA; Ringgold County, IA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.