Carroll Micro
Carroll 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 metro areas for household income.
Population & growth
PEP 2025 EST:20,303 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
Principal cities
1 component county
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How many people live in Carroll, IA?
Carroll, IA has about 20,594 residents according to the 2024 American Community Survey.
What is the median household income in Carroll, IA?
The typical household in Carroll, IA earns about $72,930 a year. Half of households make more than that, and half make less.
Is Carroll, IA expensive?
In Carroll, IA, the median home is worth about $176,000, and the typical rent is about $731 a month.
How educated are people in Carroll, IA?
About 24.0% of adults age 25 and over in Carroll, IA hold a bachelor's degree or higher.
What is the poverty rate in Carroll, IA?
About 7.9% of people in Carroll, IA live below the federal poverty line.
Has Carroll, IA grown since 1990?
Yes, Carroll, IA 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 · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024