
Flemington
- County:
- Hunterdon County
- County Seat:
- No
- Area (mi²):
- 1.077
- State:
- New Jersey
Flemington borough is located in Hunterdon County, New Jersey. Flemington borough has a 2025 population of 4,924. Flemington borough is currently growing at a rate of 0.22% annually and its population has increased by 1.19% since the most recent census, which recorded a population of 4,866 in 2020.
The average household income in Flemington borough is $114,197 with a poverty rate of 11.93%. The median age in Flemington borough is 33.9 years: 37.4 years for males, and 29.7 years for females.