Sussex County is a rural county located in the southeast of the Commonwealth of Virginia. As of the 2020 census, the population was 10,829. Its county seat is Sussex. It was formed in 1754 from Surry County. The county is named after the county of Sussex, England.

Cities: Waverly, Stony Creek, Wakefield
Population: 10,680 (2022)
Area: 493 mi²
County seat: Sussex
Founded: 1754
Congressional district: 4th
Largest town: Waverly