
Lancaster
- County:
- Coos County
- County Seat:
- No
- Area (mi²):
- 2.976
- State:
- New Hampshire
Lancaster is a CDP located in Coos County, New Hampshire. Lancaster has a 2025 population of 2,394. Lancaster is currently growing at a rate of 1.92% annually and its population has increased by 26.53% since the most recent census, which recorded a population of 1,892 in 2020.
The average household income in Lancaster is $87,365 with a poverty rate of 14.11%. The median age in Lancaster is 38.1 years: 35.1 years for males, and 44.3 years for females.