Belknap County's estimated 2026 population is 65,125 with a growth rate of -0.03% in the past year according to the most recent United States census data. Belknap County is the 7th largest county in New Hampshire. The 2010 population was 60,101 and has seen a growth of 8.36% since that time.
Data after 2023 is projected based on recent change
Overall: 48.4 years
Female: 49.2 years
Male: 47.3 years
There are 53,470 adults, (15,492 of whom are seniors) in Belknap County.
Female: 32,517 (50.3%)
Male: 32,142 (49.7%)
The racial composition of Belknap County includes 93.15% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 60,232 | 93.15% |
| Two or more races | 2,482 | 3.84% |
| Other race | 821 | 1.27% |
| Asian | 744 | 1.15% |
| Black or African American | 342 | 0.53% |
| Native American | 20 | 0.03% |
| Native Hawaiian or Pacific Islander | 18 | 0.03% |
Belknap County's average per capita income is $54,339. Household income levels show a median of $92,783. The poverty rate stands at 8.48%.
Name | Median | Mean |
|---|---|---|
| Married Families | $120,830 | - |
| Families | $111,916 | $136,131 |
| Households | $92,783 | $116,878 |
| Non Families | $46,131 | $70,801 |
Average Income
Median Household Income
Poverty Rate