
Claremont
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 43.153
- State:
- New Hampshire
Claremont city is located in Sullivan County, New Hampshire. Claremont city has a 2025 population of 13,041. Claremont city is currently declining at a rate of -0.27% annually but its population has increased by 0.7% since the most recent census, which recorded a population of 12,950 in 2020.
The average household income in Claremont city is $80,362 with a poverty rate of 15.18%. The median age in Claremont city is 42.8 years: 42.1 years for males, and 43.6 years for females.