Carroll County's estimated 2026 population is 20,197 with a growth rate of -0.52% in the past year according to the most recent United States census data. Carroll County is the 32nd largest county in Iowa. The 2010 population was 20,823 and has seen a growth of -3.01% since that time.
Data after 2023 is projected based on recent change
The racial composition of Carroll County includes 93.57% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
White (93.57%)
Two or more races (3.74%)
Other race (0.96%)
Black or African American (0.84%)
Asian (0.58%)
Native American (0.32%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 19,347 | 93.57% |
| Two or more races | 773 | 3.74% |
| Other race | 198 | 0.96% |
| Black or African American | 173 | 0.84% |
| Asian | 120 | 0.58% |
| Native American | 66 | 0.32% |
Married
Widowed
Divorced
Separated
Never Married
Carroll County's average per capita income is $48,031. Household income levels show a median of $68,528. The poverty rate stands at 8.34%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,779 | - |
| Families | $91,492 | $102,615 |
| Households | $68,528 | $86,355 |
| Non Families | $41,188 | $55,855 |
Average Income
Median Household Income
Poverty Rate
