York County is a county in the eastern part of the Commonwealth of Virginia, located in the Tidewater. As of the 2020 census, the population was 70,045. The county seat is the unincorporated town of Yorktown.

Population: 71,341 (2022)
Cities: Yorktown, Tabb
Founded: 1634
County seat: Yorktown
Congressional district: 1st
Largest community: Grafton
Named for: York