Warren County is a U.S. county located in the Commonwealth of Virginia. The 2020 census places Warren County within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area with a population of 40,727. The county was established in 1836. The county seat is Front Royal.

Cities: Front Royal
Population: 41,440 (2022)
County seat: Front Royal
Congressional district: 6th
Founded: 1836
Named for: Joseph Warren