Carroll County's 2026 population is estimated at 20,600, reflecting a -0.27% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Carroll County is the 70th largest county in Indiana. The 2010 population was 20,200 and has grown 1.98% since 2010.
Overall: 43.2 years
Female: 43.8 years
Male: 42.6 years
There are 16,065 adults, (4,255 of whom are seniors) in Carroll County.
Female: 10,027 (48.8%)
Male: 10,508 (51.2%)
The racial composition of Carroll County includes 94% White, and smaller percentages for other race, Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 19,302 | 94% |
| Two or more races | 873 | 4.25% |
| Other race | 177 | 0.86% |
| Native American | 96 | 0.47% |
| Black or African American | 53 | 0.26% |
| Asian | 34 | 0.17% |
Carroll County 's average per capita income is $46,492. Household income levels show a median of $65,645. The poverty rate stands at 8.75%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,103 | - |
| Families | $82,953 | $100,328 |
| Households | $65,645 | $84,202 |
| Non Families | $36,827 | $49,656 |
Average Income
Median Household Income
Poverty Rate
