
Springfield
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 43.614
- State:
- New Hampshire
Springfield is located in Sullivan County, New Hampshire. Springfield has a 2025 population of 1,335. Springfield is currently growing at a rate of 0.68% annually and its population has increased by 6.29% since the most recent census, which recorded a population of 1,256 in 2020.
The average household income in Springfield is $113,801 with a poverty rate of 3.29%. The median age in Springfield is 51.1 years: 51 years for males, and 51.1 years for females.