
Berlin
- County:
- Coos County
- County Seat:
- No
- Area (mi²):
- 61.349
- State:
- New Hampshire
Berlin is a city located in Coos County, New Hampshire. Berlin has a 2025 population of 9,494. Berlin is currently growing at a rate of 0.19% annually and its population has increased by 0.94% since the most recent census, which recorded a population of 9,406 in 2020.
The average household income in Berlin is $65,471 with a poverty rate of 16.77%. The median age in Berlin is 44.3 years: 42 years for males, and 47.7 years for females.