There are 6 US Post Offices in Walton County serving a total of 109,800 residents equating to 18,300 residents per post office. It's estimated that approximately 175,253 packages are handled across the 6 county post offices annually. Walton County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 83,768. The county seat is Monroe. Walton County is part of the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area."