Carroll County's 2026 population is estimated at 52,994, reflecting a 0.39% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Carroll County is the 8th largest county in New Hampshire. The 2010 population was 47,834 and has grown 10.79% since 2010.
Data after 2023 is projected based on recent change
Overall: 54.6 years
Female: 55.5 years
Male: 54.1 years
There are 44,173 adults, (16,002 of whom are seniors) in Carroll County.
Female: 25,574 (49.4%)
Male: 26,230 (50.6%)
The racial composition of Carroll County includes 94.32% White, and smaller percentages for Asian, Black or African American, Native American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 48,863 | 94.32% |
| Two or more races | 1,852 | 3.58% |
| Asian | 427 | 0.82% |
| Black or African American | 310 | 0.6% |
| Native American | 219 | 0.42% |
| Other race | 133 | 0.26% |
Carroll County 's average per capita income is $51,019. Household income levels show a median of $86,463. The poverty rate stands at 7.59%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $109,107 | - |
| Families | $103,216 | $130,968 |
| Households | $86,463 | $113,348 |
| Non Families | $47,981 | $79,926 |
Average Income
Median Household Income
Poverty Rate