There are 5 US Post Offices in Wilkinson County serving a total of 11,238 residents equating to 2,248 residents per post office. It's estimated that approximately 17,937 packages are handled across the 5 county post offices annually. Wilkinson County, established in 1803 and named for General James Wilkinson (1757-1825), is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 9,563. The county seat is Irwinton. The county was created on May 11, 1803."