
Bethlehem
- County:
- Grafton County
- County Seat:
- No
- Area (mi²):
- 1.634
- State:
- New Hampshire
Bethlehem is a CDP located in Grafton County, New Hampshire. Bethlehem has a 2025 population of 953. Bethlehem is currently declining at a rate of -0.1% annually and its population has decreased by -10.18% since the most recent census, which recorded a population of 1,061 in 2020.
The average household income in Bethlehem is $73,210 with a poverty rate of 12.43%. The median age in Bethlehem is 45.7 years: 38.6 years for males, and 45.9 years for females.