• county
  • FIPS 19025
  • Largest town: Rockwell City

Calhoun County, Iowa

Calhoun County had 9,711 residents in the Census Vintage 2024 estimate, on 569.9 square miles of land. It ranks 75th of 99 in Iowa by population and 48th by land area.

Population
9,711
#75 of 99 in Iowa · #2,435 in US
Area
569.9 sq mi
#48 of 99 in Iowa · #1,778 in US
Density
17 / sq mi
#80 of 99 in Iowa · #2,332 in US
Median household income
$63,597
#74 of 99 in Iowa · #1,501 in US

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

Calhoun County within Iowa. Pin: Des Moines.

Calhoun County population, land area and income

Calhoun County had 9,711 residents in the Census Vintage 2024 estimate, on 569.9 square miles of land. It ranks 75th of 99 in Iowa by population and 48th by land area. That works out to 17.0 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; Calhoun County is somewhat smaller.

Its SAIPE 2023 median household income of $63,597 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

9,711

3144th1st

2435th of 3,144 (US)

Land area

570 sq mi

3144th1st

1778th of 3,144 (US)

Density

17.0 / sq mi

3144th1st

2332nd of 3,144 (US)

Median household income

$63,597

3143rd1st

1501st of 3,143 (US)

Rank within Iowa (99)

Population

9,711

99th1st

75th of 99 (IA)

Land area

570 sq mi

99th1st

48th of 99 (IA)

Density

17.0 / sq mi

99th1st

80th of 99 (IA)

Median household income

$63,597

99th1st

74th of 99 (IA)

How Calhoun County's population changed since 2020

Calhoun County lost 184 residents between the July 2020 and July 2024 estimates, a drop of 1.9%. That ranks 80th 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, Calhoun County recorded 400 births and 566 deaths, a natural change of -166. Net international migration added +21 and net domestic migration, people moving to or from other US counties, came to -71. The largest single component was natural change, which removed 166 people.

9,89520209,89420219,72520229,79020239,7112024
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
400
Deaths
566
Net international migration
+21
Net domestic migration
-71
Change, July 2023 to July 2024
-79

Where Calhoun County is

The Census internal point of Calhoun County is at 42.386100, -94.643600. 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 Calhoun 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: Calhoun County internal point. Dark pin: Des Moines.

Internal point

Decimal
42.386100, -94.643600
DMS
42°23'9.96"N 94°38'36.96"W
UTM
15N 364705.2E 4693954.3N
Geohash
9zs9nk4su
Plus code
86J799P4+CH

Towns in Calhoun County

3 incorporated places of 1,000+ people have residents in Calhoun County, 5,487 people together, or 57% of the county. Each figure counts only the part of the town inside Calhoun County; towns marked "part" extend into another county. The largest is Rockwell City with 2,185.

  1. 01Rockwell City2,185
  2. 02Lake City1,656
  3. 03Manson1,646
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Calhoun County

The Census 2024 county adjacency file lists 6 neighbors for Calhoun County. The most populous is Webster County, IA, with 36,909 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 76.6 miles SE of Calhoun County's internal point in a straight line. The nearest place of 100,000 or more is Des Moines, IA (population 213,096), 77.3 miles away. The nearest place of 10,000 or more is Carroll, IA (population 10,125), 24.5 miles away.

Calhoun County FIPS code

The FIPS code of Calhoun County is 19025: state code 19 for Iowa plus county code 025. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,597.

Questions people ask

What is the population of Calhoun County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 9,711. That is down 184 people (1.9%) from the July 2020 estimate of 9,895.

What is the FIPS code of Calhoun County?

19025. The first two digits (19) are Iowa; the last three (025) identify the county.

What is the largest town in Calhoun County?

Rockwell City, with 2,185 residents inside Calhoun County in 2024.

Which counties border Calhoun County?

6 county-equivalents border it in the Census 2024 adjacency file: Webster County, IA; Buena Vista County, IA; Carroll County, IA; Sac County, IA; Greene County, IA; Pocahontas 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.