Orange County is a county located in the Central Piedmont region of the Commonwealth of Virginia. At the 2020 census, the population was 36,254. Its county seat is Orange.

Cities: Orange, Lake of the Woods, Lahore
County seat: Orange
Population: 37,991 (2022)
Area: 343 mi²
Congressional district: 7th
Founded: 1734
Named for: William III of England