Cusseta is a city in Chattahoochee County, Georgia, United States. It is part of the Columbus, Georgia-Alabama Metropolitan Statistical Area. The population was 12,153 at the 2010 census. The city is the county seat of Chattahoochee County, with which it shares a consolidated city-county government. Despite this, Cusseta is not coterminous with the county; it remains a geographically distinct municipality within the county.