Washington is a city in Wilkes County, Georgia, United States. The population was 4,295 at the 2000 census. It is the county seat of Wilkes County. The city is often referred to as Washington-Wilkes by local residents, to distinguish it from other places named "Washington" in the U.S.Several historic sites in Washington are on the National Register of Historic Places, including the Wilkes County Courthouse, the Robert Toombs House State Historic Site, the Washington-Wilkes Historical Museum, the Mary Willis Public Library, and the recently restored historic Fitzpatrick Hotel, built in 1898.