Total Population in Carroll County, IA
ACS 2024 5-Year Estimates
20,594
Rank #1,846/3,222 · #32 in IA
43th
Carroll 20,594
IA 3,210,507 -99.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Carroll County's total population of 20,594 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Carroll County for total population.
Nearby Rankings
Full ranking →| #1,843 | Perry County, IL | 20,639 |
| #1,844 | Wyoming County, WV | 20,629 |
| #1,845 | Gem County, ID | 20,614 |
| #1,846 | Carroll County, IA | 20,594 |
| #1,847 | Lavaca County, TX | 20,552 |
| #1,848 | Fairfield County, SC | 20,550 |
| #1,849 | Coahoma County, MS | 20,540 |
About Total Population
Carroll County, Iowa has a total population of 20,594, ranking #1,846 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Iowa, it ranks #32 of 99. This places it in the 43th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.