Chattahoochee County, also known as Cusseta-Chattahoochee County, is a county located on the western border in central Georgia. As of the 2020 census, the population was 9,565. The county seat is Cusseta, with which the county shares a consolidated city-county government. The city of Cusseta remains a geographically distinct municipality within Chattahoochee County. The county was created on February 13, 1854.

Cusseta is a city in Chattahoochee County, Georgia, United States. It is part of the Columbus, Georgia-Alabama metropolitan statistical area. The population was 9,565 in 2020. 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.