
Deerfield
- County:
- Rockingham County
- County Seat:
- No
- Area (mi²):
- 50.758
- State:
- New Hampshire
Deerfield is located in Rockingham County, New Hampshire. Deerfield has a 2025 population of 4,971. Deerfield is currently growing at a rate of 0.08% annually and its population has increased by 2.2% since the most recent census, which recorded a population of 4,864 in 2020.
The average household income in Deerfield is $150,566 with a poverty rate of 5.65%. The median age in Deerfield is 42.5 years: 42 years for males, and 42.8 years for females.