
Kingston
- County:
- Rockingham County
- County Seat:
- No
- Area (mi²):
- 19.794
- State:
- New Hampshire
Kingston is located in Rockingham County, New Hampshire. Kingston has a 2025 population of 6,246. Kingston is currently declining at a rate of -0.43% annually but its population has increased by 0.71% since the most recent census, which recorded a population of 6,202 in 2020.
The average household income in Kingston is $137,099 with a poverty rate of 4.2%. The median age in Kingston is 52.5 years: 52.2 years for males, and 53 years for females.