
Hartsdale
- County:
- Westchester County
- County Seat:
- No
- Area (mi²):
- 0.848
- State:
- New York
Hartsdale is a CDP located in Westchester County, New York. Hartsdale has a 2025 population of 2,529. Hartsdale is currently declining at a rate of -6.82% annually and its population has decreased by -21.09% since the most recent census, which recorded a population of 3,205 in 2020.
The average household income in Hartsdale is $228,071 with a poverty rate of 3.47%. The median age in Hartsdale is 48.4 years: 45.9 years for males, and 50.6 years for females.