Georgetown is an unincorporated community and census-designated place (CDP) in Chatham County, Georgia, United States. The population was 11,916 at the 2020 census. Georgetown lies across the Little Ogeechee River (and city limits) from Savannah, Georgia, and is a suburban "bedroom community" of Savannah, where most of its adult residents work. It is part of the Savannah Metropolitan Statistical Area.