
Thorndale
- County:
- Chester County
- County Seat:
- No
- Area (mi²):
- 1.862
- State:
- Pennsylvania
Thorndale is a CDP located in Chester County, Pennsylvania. Thorndale has a 2025 population of 4,157. Thorndale is currently growing at a rate of 1.22% annually and its population has increased by 11.78% since the most recent census, which recorded a population of 3,719 in 2020.
The average household income in Thorndale is $120,473 with a poverty rate of 1.86%. The median age in Thorndale is 37 years: 40.8 years for males, and 31.2 years for females.