Strafford County Flag

Strafford County

State:
New Hampshire
County Seat:
Dover

Strafford County's 2026 population is estimated at 135,755, reflecting a 0.53% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Strafford County is the 4th largest county in New Hampshire. The 2010 population was 123,203 and has grown 10.19% since 2010.

135,755
Total Population
370
Population Density (mi²)
4
Population Rank (State)
712 0.53%
Annual Population Growth

Strafford County Population

Demographics

Economics and Income Statistics