
Unionville
- County:
- Chester County
- County Seat:
- No
- Area (mi²):
- 0.855
- State:
- Pennsylvania
Unionville is a CDP located in Chester County, Pennsylvania. Unionville has a 2025 population of 902. Unionville is currently growing at a rate of 7.13% annually and its population has increased by 33.43% since the most recent census, which recorded a population of 676 in 2020.
The average household income in Unionville is $170,838 with a poverty rate of 0%. The median age in Unionville is 60.9 years: 66.5 years for males, and 60.2 years for females.