Unionville, Chester County, Pennsylvania

Unionville, Pennsylvania
House in the historic district
Location in Chester County and the U.S. state of Pennsylvania
Unionville
Location of Unionville in Pennsylvania
Unionville
Unionville (the United States)
Coordinates: 39°53′43″N 75°44′04″W / 39.89528°N 75.73444°W / 39.89528; -75.73444
CountryUnited States
StatePennsylvania
CountyChester
TownshipEast Marlborough
Elevation
449 ft (137 m)
Population
 (2020)
  Total
577
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
ZIP code
19375
Area code(s)610 and 484

Unionville is an unincorporated community and census-designated place in East Marlborough Township in southern Chester County, Pennsylvania, United States. It was originally known as Jacksonville. The Unionville Village Historic District was added to the National Register of Historic Places in 1979. As of 2020, the CDP has a population of 577.