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. Griffin was founded in 1840 and named for landowner Col. Lewis Lawrence Griffin. Griffin Technical College was located in Griffin from 1963 and a branch of Southern Crescent Technical College is in Griffin. The Griffin Synodical Female College was established by Presbyterians, but closed.