Lancaster County is a county located on the Northern Neck in the Commonwealth of Virginia. As of the 2020 census, the population sits at 10,919. Its county seat is Lancaster.

Cities: White Stone, Irvington
Population: 10,750 (2022)
Area: 231 mi²
County seat: Lancaster
Congressional district: 1st
Founded: 1651
Largest town: Kilmarnock