
Clarksville
- County:
- Coos County
- County Seat:
- No
- Area (mi²):
- 60.33
- State:
- New Hampshire
Clarksville is located in Coos County, New Hampshire. Clarksville has a 2025 population of 280. Clarksville is currently declining at a rate of -1.06% annually and its population has decreased by -3.11% since the most recent census, which recorded a population of 289 in 2020.
The average household income in Clarksville is $83,189 with a poverty rate of 9.96%. The median age in Clarksville is 51.7 years: 51.7 years for males, and 51.7 years for females.