Spalding County is a county located in the west central portion of the U.S. state of Georgia. As of the 2020 census, the population was 67,306. The county seat is Griffin. The county was created December 20, 1851, and named for former United States representative and senator Thomas Spalding.

Griffin is a city in and the county seat of Spalding County, Georgia, United States. It is part of the Atlanta metropolitan area. As of the 2020 census, the city had a population of 23,478.