Sussex County is a rural county located in the Commonwealth of Virginia. As of the 2010 census, the population was 12,087. Its county seat is Sussex. Sussex County was formed in 1754 and named after Sussex County, England. Settlement of Sussex County started prior to 1700 when people began to move south of the Blackwater River.
Sussex County is located in Southside Virginia about 30 miles southeast of Petersburg, Virginia. Both Interstate 95 and Route 460 are major throughways of the county.