
Chappaqua
- County:
- Westchester County
- County Seat:
- No
- Area (mi²):
- 0.906
- State:
- New York
Chappaqua is a CDP located in Westchester County, New York. Chappaqua has a 2025 population of 3,156. Chappaqua is currently growing at a rate of 3.78% annually and its population has increased by 20.09% since the most recent census, which recorded a population of 2,628 in 2020.
The average household income in Chappaqua is $287,168 with a poverty rate of 1.55%. The median age in Chappaqua is 45.8 years: 45.2 years for males, and 51.2 years for females.