
Warren
- County:
- Grafton County
- County Seat:
- No
- Area (mi²):
- 48.527
- State:
- New Hampshire
Warren is located in Grafton County, New Hampshire. Warren has a 2025 population of 824. Warren is currently declining at a rate of -0.6% annually and its population has decreased by -0.72% since the most recent census, which recorded a population of 830 in 2020.
The average household income in Warren is $94,361 with a poverty rate of 10.94%. The median age in Warren is 52.7 years: 53.2 years for males, and 52.2 years for females.