Liberty County is a county located in the U.S. state of Georgia. Liberty county was Founded February 5, 1777. Sunbury was first designated the county seat in 1784. In 1797, the seat was transferred to Riceboro and in 1837 it was transferred again to Hinesville.
As of the 2010 census, the population was 63,453. The county seat is Hinesville. Liberty County is part of the Hinesville, GA Metropolitan Statistical Area, which is also included in the Savannah-Hinesville-Statesboro, GA Combined Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 603 square miles (1,560 km2), of which 490 square miles (1,300 km2) is land and 113 square miles (290 km2) (18.7%) is water.