Demographics of Calhoun County, Iowa

Calhoun County, Iowa had 9,562 people on July 1, 2025, by the Census Bureau’s estimate: −333 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Calhoun County, in four figures

9,562
Population: July 1, 2025, Vintage 2025 estimate.; −3.4%
Change since July 2020: −333 people.; 42.8 ±0.7
Median age: ACS 2020–⁠2024.; $64,964 ±$5,720
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Calhoun County, Iowa's population shrank 3.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Calhoun County, Iowa's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Calhoun County, Iowa's population shrank 3.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Calhoun County, Iowa's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	9,895	100.0	100.0
2021	9,895	100.0	100.2
2022	9,726	98.3	100.7
2023	9,770	98.7	101.6
2024	9,654	97.6	102.5
2025	9,562	96.6	103.1

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Population of Calhoun County, Iowa on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	9,895	−32	−5	0	−26
2021	9,895	0	−58	0	+53
2022	9,726	−169	−53	+2	−118
2023	9,770	+44	−42	+6	+83
2024	9,654	−116	−60	+6	−63
2025	9,562	−92	−72	+4	−24

Age, 2020–2024

The median age is 42.8 ±0.7: for men 41.1 ±0.9 and for women 46.1 ±1.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Calhoun County by age, ACS 2020–2024
Age	People	Share	Iowa	United States
Under 5	550 ±24	5.6% ±0.2	5.9% ±<0.1	5.6% ±<0.1
5 to 17	1,580 ±105	16.1% ±1.1	17.0% ±0.1	16.3% ±<0.1
18 to 24	661 ±83	6.7% ±0.8	10.0% ±0.1	9.1% ±<0.1
25 to 44	2,358 ±125	24.1% ±1.3	25.1% ±0.1	26.9% ±<0.1
45 to 64	2,334 ±128	23.8% ±1.3	23.9% ±0.1	24.8% ±<0.1
65 and over	2,320 ±145	23.7% ±1.5	18.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $64,964 ±$5,720, and income per person $37,315 ±$2,525, in 2024 dollars. The median is $75,059 ±$418 in Iowa and $80,734 ±$166 in the United States.

Households by income

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Households in Calhoun County by income, ACS 2020–2024
Household income	Households	Share	Iowa	United States
Under $25,000	660 ±86	16.5% ±2.1	13.9% ±0.2	14.6% ±<0.1
$25,000 to $49,999	827 ±122	20.7% ±2.9	18.5% ±0.3	16.7% ±<0.1
$50,000 to $74,999	789 ±101	19.8% ±2.4	17.5% ±0.3	15.5% ±<0.1
$75,000 to $99,999	505 ±87	12.6% ±2.1	14.0% ±0.3	12.6% ±<0.1
$100,000 to $149,999	670 ±102	16.8% ±2.5	18.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	307 ±54	7.7% ±1.3	8.8% ±0.2	9.6% ±<0.1
$200,000 or more	235 ±59	5.9% ±1.5	8.6% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Calhoun County by age, ACS 2020–2024
Age	Below poverty	Rate	Iowa	United States
All ages	848 ±135	9.3% ±1.5	11.1% ±0.2	12.5% ±0.1
Under 18	158 ±48	7.5% ±2.2	12.9% ±0.3	16.1% ±0.1
18 to 59	435 ±84	10.6% ±2.0	11.4% ±0.3	11.6% ±0.1
60 and over	255 ±58	8.6% ±1.9	8.8% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Calhoun County, ACS 2020–2024
Measure	Calhoun County	Iowa	United States
Housing units	4,798 ±33	1,437,699 ±523	143,775,355 ±10,234
Occupied	83.2% ±3.1	91.5% ±0.3	89.9% ±0.1
Vacant	16.8% ±3.1	8.5% ±0.3	10.1% ±0.1
Owner occupied	80.5% ±1.9	71.7% ±0.3	65.2% ±0.3
Renter occupied	19.5% ±2.5	28.3% ±0.3	34.8% ±0.1
Median home value	$118,800 ±$6,946	$208,000 ±$1,141	$332,700 ±$236
Median gross rent	$723 ±$26	$972 ±$6	$1,413 ±$2
Median year built	1958 ±4	1972 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Calhoun County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Iowa	United States
Hispanic or Latino	266 ±0	2.7% ±<0.1	7.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	8,954 ±56	91.3% ±0.6	82.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	158 ±52	1.6% ±0.5	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	8 to 36	0.1% to 0.4%	2.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	2 to 32	< 0.1% to 0.3%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 15	0% to 0.2%	0.2% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 79	0% to 0.8%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	349 ±71	3.6% ±0.7	3.5% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Calhoun County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Iowa	United States
Born in the state	7,987 ±153	81.5% ±1.6	69.6% ±0.2	57.3% ±<0.1
Born in another state	1,693 ±153	17.3% ±1.6	23.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	9 to 45	0.1% to 0.5%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	47 to 145	0.5% to 1.5%	5.9% ±0.1	14.1% ±<0.1
Naturalized citizens	2 to 42	< 0.1% to 0.4%	2.6% ±0.1	7.4% ±<0.1
Not citizens	28 to 120	0.3% to 1.2%	3.3% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Calhoun County among the counties of Iowa

76th of 99 by population, July 2025. Every one is listed on the Iowa page.

Counties of Iowa near Calhoun County in population, July 2025
County	July 2025	Change since 2020
Winnebago County	10,251	−3.8%
Montgomery County	10,002	−3.2%
Franklin County	9,868	−1.2%
Keokuk County	9,797	−2.0%
Clarke County	9,574	−1.6%
Calhoun County	9,562	−3.4%
Sac County	9,525	−2.7%
Howard County	9,415	−0.8%
Humboldt County	9,409	−2.0%
Davis County	9,230	+1.3%
Emmet County	9,107	−2.5%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026