Ithaca
- County:
- Tompkins County
- County Seat:
- No
- Area (mi²):
- 5.389
- State:
- New York
Ithaca is a city located in Tompkins County, New York. Ithaca has a 2026 population of 33,768. Ithaca is currently growing at a rate of 0.41% annually and its population has increased by 11.89% since the most recent census, which recorded a population of 30,180 in 2020.