| Unionville, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Chester |
| Subdivision Type3: | Township |
| Subdivision Name3: | East Marlborough |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Label: | Unionville |
| Pushpin Map Caption: | Location of Unionville in Pennsylvania |
| Coordinates: | 39.8953°N -75.7344°W |
| Elevation Ft: | 449 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 577 |
| Population Density Km2: | auto |
| Timezone1: | EST |
| Utc Offset1: | -5 |
| Timezone1 Dst: | EDT |
| Utc Offset1 Dst: | -4 |
| Postal Code Type: | ZIP code |
| Postal Code: | 19375 |
| Area Code: | 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.[2] 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.[3]
Unionville is located in the Unionville-Chadds Ford School District.
Unionville High School is a member of the Ches-mont league since 2007, in PIAA District 1.