Grafton County's 2026 population is estimated at 93,317, reflecting a 0.15% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Grafton County is the 5th largest county in New Hampshire. The 2010 population was 89,133 and has grown 4.69% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.1 years
Female: 45.5 years
Male: 42.8 years
There are 77,706 adults, (21,144 of whom are seniors) in Grafton County.
Female: 46,440 (50.4%)
Male: 45,680 (49.6%)
The racial composition of Grafton County includes 88.26% White, 3.52% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 81,303 | 88.26% |
| Two or more races | 5,323 | 5.78% |
| Asian | 3,242 | 3.52% |
| Black or African American | 1,042 | 1.13% |
| Other race | 981 | 1.06% |
| Native American | 211 | 0.23% |
| Native Hawaiian or Pacific Islander | 18 | 0.02% |
Grafton County 's average per capita income is $53,914. Household income levels show a median of $88,261. The poverty rate stands at 10.35%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $121,797 | $170,115 |
| Families | $109,351 | $153,119 |
| Households | $88,261 | $125,563 |
| Non Families | $53,009 | $78,211 |
Average Income
Median Household Income
Poverty Rate