COUNTY
Carroll County
Iowa · 20,303 residents (2025 est.) · 569.453 sq mi
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Part of the Carroll micropolitan area
The short version
Carroll County has lower-than-average household income, with a median household income of $72,930. Population has declined 4% since 2000. Median home value has more than doubled since 2000, reaching $176,000. It sits in the top 10% of US counties for household income.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 41.1
US median: 38.9
Less educated
24% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth
PEP 2025 EST:20,303 residents (Census Bureau Vintage 2025, released March 2026)
Population, 1990 – 2024
202421K
Age distribution, 2024
Under 55.9%(1,225)
5 to 96.4%(1,314)
10 to 147.2%(1,480)
15 to 196.8%(1,408)
20 to 245.5%(1,128)
25 to 3411.3%(2,329)
35 to 4411.1%(2,292)
45 to 5410.6%(2,181)
55 to 6414%(2,876)
65 to 7411.8%(2,428)
75 to 845.8%(1,200)
85 and over3.6%(733)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$72,930
+7%inflation adjusted, since 2000
from $37,275 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
47.1%
+21.3 ptssince 2009
from 25.9% in 2009
US average: 53.3%
Workforce by industry, 2024
Retail trade14.9%
Information11.3%
Other services8.1%
Public administration7.4%
Finance & insurance7.3%
Professional, scientific, technical6.9%
Agriculture, forestry, fishing6.5%
Construction6.5%
Wholesale trade5.8%
Transportation & warehousing4.5%
Arts, entertainment, food1.8%
Education & health services0.4%
Manufacturing0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$176,000
+25%inflation adjusted, since 2000
from $77,500 in 2000
US average: $376,019
1990 – 2024
2.4
+6%since 2009
from 2.3 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
41
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Carroll County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic98.6%(21,119)
Black0.2%(35)
Hispanic / Latino0.5%(115)
Asian0.3%(72)
Other0%
2024
White, non-Hispanic91.9%(18,932)
Black0.5%(97)
Hispanic / Latino3.5%(720)
Asian0.2%(39)
Other3.9%(806)
19
+204%since 2009
from 6 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
14
+28%since 2020
from 11 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
Mexican2.2%(453)
Cuban0.7%(145)
Central American0.3%(64)
Honduran0.2%(51)
Puerto Rican0.2%(31)
South American0.1%(25)
Chilean0.1%(25)
Salvadoran0.1%(13)
Ancestry
German51.6%(10,634)
Irish13.3%(2,733)
English6%(1,230)
American5.1%(1,047)
Danish2.1%(435)
Norwegian1.3%(262)
French1.2%(248)
Italian1.1%(236)
Scottish1.1%(223)
Swedish1%(209)
Dutch1%(205)
Czech0.7%(145)
+ 17 more ancestry groups with data
Polish0.5%(103)
British0.3%(55)
Canadian0.3%(52)
Russian0.2%(45)
French Canadian0.2%(33)
Hungarian0.2%(32)
Welsh0.1%(30)
Scotch-Irish0.1%(23)
Swiss0.1%(20)
Finnish0%(10)
Slovene0%(10)
Belgian0%(9)
Austrian0%(7)
Portuguese0%(5)
Subsaharan African0%(4)
Bulgarian0%(3)
Nigerian0%(3)
Section 05
Education
High school or higher
95.2%
+11.5 ptssince 2000
from 83.7% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Section 08
People & community
Marital status
Men 15+
Never married37.3%(3,036)
Married52.9%(4,309)
Widowed3.5%(289)
Divorced6.2%(507)
Women 15+
Never married25.3%(2,130)
Married50.7%(4,277)
Widowed13%(1,095)
Divorced11.1%(932)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper
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Places similar to Carroll CountyHead to head
Compare Carroll County to nearby counties
CARROLL COUNTY VS
Greene County
Income$63,409−13%
Home value$155,400−12%
Population8,658−57%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Audubon County
Income$58,229−20%
Home value$121,900−31%
Population5,509−73%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Calhoun County
Income$64,964−11%
Home value$118,800−32%
Population9,562−53%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Crawford County
Income$67,027−8%
Home value$153,700−13%
Population16,237−20%
SEE FULL COMPARISON →
Frequently asked
How many people live in Carroll County, Iowa?
Carroll County, Iowa has about 20,594 residents according to the 2024 American Community Survey.
What is the median household income in Carroll County, Iowa?
The typical household in Carroll County, Iowa earns about $72,930 a year. Half of households make more than that, and half make less.
Is Carroll County, Iowa expensive?
In Carroll County, Iowa, the median home is worth about $176,000, and the typical rent is about $731 a month.
How educated are people in Carroll County, Iowa?
About 24.0% of adults age 25 and over in Carroll County, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Carroll County, Iowa?
About 7.9% of people in Carroll County, Iowa live below the federal poverty line.
Has Carroll County, Iowa grown since 1990?
Yes, Carroll County, Iowa has shrunk since 1990. The population has lost about 829 residents, a change of about -4 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024