Belknap County Flag

Belknap County

State:
New Hampshire
County Seat:

Belknap County's estimated 2026 population is 65,733 with a growth rate of 0.36% 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 9.37% since that time.

65,733
Total Population
164
Population Density (mi²)
7
Population Rank (State)
238 0.36%
Annual Population Growth

Belknap County Population

Demographics

Economics and Income Statistics