Irwin County Post Offices

224 Jackson St
Mystic, Georgia 31769

210 S Irwin Ave
Ocilla, Georgia 31774

1118 Wray Rd
Wray, Georgia 31798

Irwin County

There are 3 US Post Offices in Irwin County serving a total of 7,697 residents equating to 2,566 residents per post office. It's estimated that approximately 12,285 packages are handled across the 3 county post offices annually. Irwin County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 9,538. The county seat is Ocilla. The county was created on December 15, 1818. It was named for Governor Jared Irwin. In the last years of the American Civil War, Irwin County gained the nickname of the Republic of Irwin due to the Unionism of many of its residents. The location where Jefferson Davis was captured [1] is located in Irwin County near Irwinville.