
Croydon
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 36.769
- State:
- New Hampshire
Croydon is located in Sullivan County, New Hampshire. Croydon has a 2025 population of 862. Croydon is currently growing at a rate of 1.06% annually and its population has increased by 7.08% since the most recent census, which recorded a population of 805 in 2020.
The average household income in Croydon is $101,433 with a poverty rate of 5.42%. The median age in Croydon is 43.5 years: 47.8 years for males, and 41.9 years for females.