The city of Ocilla is the county seat of Irwin County, Georgia, United States. Its population was 3,498 at the 2020 census. Ocilla is part of the Fitzgerald micropolitan statistical area.

Irwin County is a county located in the U.S. state of Georgia. As of the 2020 census, the population was 9,666. The county seat is Ocilla. The county was created on December 15, 1818. It was named for Governor Jared Irwin.