Belknap County Flag

Belknap County

State:
New Hampshire
County Seat:

Belknap County's estimated 2025 population is 65,495 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 8.97% since that time.

65,495
Total Population
163
Population Density (mi²)
7
Population Rank (State)
238 0.36%
Annual Population Growth

Belknap County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)