King George County is a county located in the Commonwealth of Virginia. As of the 2020 census, the population sits at 26,723. Its county seat is the town of King George. The county's largest employer is the U.S. Naval Surface Warfare Center Dahlgren Division.

Cities: King George, Dahlgren, Fairview Beach, Passapatanzy
Population: 27,856 (2022)
County seat: King George
Congressional district: 7th
Founded: 1720