There are 2 US Post Offices in Baldwin County serving a total of 43,755 residents equating to 21,878 residents per post office. It's estimated that approximately 69,838 packages are handled across the 2 county post offices annually. Baldwin County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 46,337. The county seat is Milledgeville. Baldwin County is part of the Milledgeville, GA Micropolitan Statistical Area."