
Jacksonville
- County:
- Tompkins County
- County Seat:
- No
- Area (mi²):
- 3.608
- State:
- New York
Jacksonville is a CDP located in Tompkins County, New York. Jacksonville has a 2025 population of 835. Jacksonville is currently growing at a rate of 7.19% annually and its population has increased by 90.64% since the most recent census, which recorded a population of 438 in 2020.
The average household income in Jacksonville is $76,382 with a poverty rate of 0.74%. The median age in Jacksonville is 54.5 years: 54.4 years for males, and 55 years for females.