
Castanea
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 1.364
- State:
- Pennsylvania
Castanea is a CDP located in Clinton County, Pennsylvania. Castanea has a 2025 population of 1,140. Castanea is currently growing at a rate of 0.09% annually and its population has increased by 13.43% since the most recent census, which recorded a population of 1,005 in 2020.
The average household income in Castanea is $80,862 with a poverty rate of 6.55%. The median age in Castanea is 42.2 years: 39.9 years for males, and 44.4 years for females.