
Middleton
- County:
- Strafford County
- County Seat:
- No
- Area (mi²):
- 18.074
- State:
- New Hampshire
Middleton is located in Strafford County, New Hampshire. Middleton has a 2025 population of 1,855. Middleton is currently growing at a rate of 0.11% annually and its population has increased by 1.76% since the most recent census, which recorded a population of 1,823 in 2020.
The average household income in Middleton is $110,250 with a poverty rate of 6.17%. The median age in Middleton is 41 years: 38.9 years for males, and 41.7 years for females.