Hancock County is a county located in the East Central part of the U.S. state of Georgia. As of the 2020 census, the population was 8,735. The county seat is Sparta. The county was created on December 17, 1793, and named for John Hancock, a Founding Father of the American Revolution.

Sparta is a city in and the county seat of Hancock County, Georgia, United States. It is part of the Milledgeville micropolitan statistical area. The city's population was 1,400 at the 2010 census.