Calhoun County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 75th-largest in Iowa
The population of Calhoun County, Iowa is 9,858 as of the 2023 American Community Survey, making it the 75th-largest county in Iowa. The median household income is $66,875, the median home value is $114,400, and the median age is 42.7.
The population of Calhoun County has declined 4.4% since 2010 (10,159 → 9,711), a -0.32% annualized rate.
9,858
Population
-0.32%
Annual growth
17
People / sq mi
$66,875
Median Income
$114,400
Median Home Value
Calhoun County covers 570 sq mi of land at 17.3 people per square mile.
About Calhoun County, IA
Homeownership is the standout figure in Calhoun County: 80.9% of homes are owner-occupied, higher than the national rate. Calhoun County is a county in Iowa with a population of 9,858.
Median household income is $66,875, below the US median of $78,538. The poverty rate, 5.7%, is on the lower side for US counties and below the national 12.4%. Property is affordable here, the median home worth $114,400, with typical rent around $690.
Degree attainment is mid-range for US counties: 21.5% of adults hold a four-year degree, below the national 35.0%. About 7.0% of the workforce is home-based, below the national 14.0%, and the average commute runs about 21 minutes each way.
The ownership rate anchors the housing story in Calhoun County, and tends to move with the age structure and home-value figures above.
Calhoun County Population History (2010-2024)
The county of Calhoun County had a population of 10,159 in 2010 and 9,711 in 2024, a -4.4% growth over 14 years. The peak was 10,159 in 2010. Average annual growth rate: -0.32%.
9,711
Population (2024)
10,159
Population (2010)
10,159
Peak (2010)
-0.32%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,159 |
| 2011 | 10,064 |
| 2012 | 9,912 |
| 2013 | 9,899 |
| 2014 | 9,845 |
| 2015 | 9,801 |
| 2016 | 9,808 |
| 2017 | 9,730 |
| 2018 | 9,653 |
| 2019 | 9,616 |
| 2020 | 9,895 |
| 2021 | 9,894 |
| 2022 | 9,725 |
| 2023 | 9,790 |
| 2024 | 9,711 |
Race & Ethnicity
| White | 92.5% |
| Black or African American | 1.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
42.7
Median Age
47.9%
Female
52.1%
Male
23.3%
Age 65+
Age Distribution
Children (under 15): 18.1% · Seniors (65+): 23.3%
Income & Poverty
| Median household income | $66,875$-6,272 vs state |
| Mean household income | $86,678 |
| Per-capita income | $36,086 |
| Poverty rate | 5.7%-1.2% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 54.3% |
Top Industries by Employment
The largest employment sector in Calhoun County is professional & business services, accounting for 28.5% of workers.
How residents commute
0.3%
Drive alone
2.4%
Carpool
78.1%
Public transit
7.0%
Work from home
21.4 min
Avg commute
Housing
$114,400$-81,500 vs state
Median home value
$690
Median rent
80.9%
Homeownership rate
4,794
Total housing units
81.1%
Occupied
18.9%
Vacant
19.1%
Renter-occupied
Social & access
97.0%
With health insurance
93.2%
With broadband internet
17.9%
Foreign-born
7.5%
Veterans (18+)
15.3%
With a disability
98.0%
Speak language other than English at home
Education
93.7%
High School+
21.5%
Bachelor's+
Largest cities in Iowa
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County rankings
Frequently Asked Questions
Calhoun County, Iowa has a population of 9,858 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 75th-largest county in Iowa. Population density is 17 people per square mile.
The population of Calhoun County has declined 4.4% since 2010 (10,159 → 9,711), a -0.32% annualized rate.
The median household income in Calhoun County, Iowa is $66,875, with mean (average) household income of $86,678 and per-capita income of $36,086. 5.7% of residents live below the federal poverty level.
In Calhoun County, the largest racial and ethnic groups are White (92.5%), Black or African American (1.5%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Calhoun County, Iowa is 42.7 years. Residents are 47.9% female and 52.1% male.
The median home value in Calhoun County is $114,400 and median monthly rent is $690. 80.9% of occupied housing units are owner-occupied. The county has 4,794 total housing units, 18.9% of which are vacant.
The largest employment sector in Calhoun County, Iowa is professional, scientific, and management services, employing 28.5% of workers. The unemployment rate is 1.6%.
Des Moines is among the largest cities associated with Calhoun County, Iowa, with a population of 212,464.
Calhoun County, IA Climate
Calhoun County, IA has an average annual temperature of 8.6°C (47°F) and receives about 804 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.6°C
Avg Temp
804
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -8° / 17° | 19 mm |
| February | -5° / 23° | 17 mm |
| March | 2° / 35° | 51 mm |
| April | 9° / 48° | 79 mm |
| May | 16° / 61° | 109 mm |
| June | 21° / 70° | 115 mm |
| July | 23° / 74° | 105 mm |
| August | 22° / 71° | 98 mm |
| September | 17° / 63° | 85 mm |
| October | 11° / 51° | 62 mm |
| November | 2° / 35° | 40 mm |
| December | -6° / 22° | 24 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Calhoun County, IA
The most comfortable months to visit Calhoun County, IA are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -14°C low). June is usually the wettest month.
Where to stay near Calhoun County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.