Unionville

• Name — Unionville, Pennsylvania • Settlement Type — Unincorporated community Census designated place • Image Skyline — Unionville HD.JPG • Image Caption — House in the historic district • 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 • Image Map — Chester County Pennsylvania incorporated and unincorporated areas Unionville highlighted.svg • Map Caption — Location in Chester County and the U.S. state of Pennsylvania • Pushpin Map — USA Pennsylvania#USA • Pushpin Label — Unionville • Pushpin Map Caption — Location of Unionville in Pennsylvania • Area Total Sq Mi — 0.863 • Area Land Sq Mi — 0.855 • Area Water Sq Mi — 0.008 • Elevation Ft — 476 • Population As Of — 2020 • 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 Codes — 610 and 484 • Blank Name — FIPS code • Blank Info — 4278624 • Blank1 Name — GNIS feature ID • Blank1 Info — 2812903 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.

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.

• John H. Pugh (1827–1905), represented New Jersey's 2nd congressional district in the United States House of Representatives, 1877-1879 • I. Milton Smith, poet in the latter half of the nineteenth century; born in Unionville