There are 5 US Post Offices in Madison County serving a total of 26,507 residents equating to 5,301 residents per post office. It's estimated that approximately 42,308 packages are handled across the 5 county post offices annually. Madison County is a county located in the northeastern part of the U.S. state of Georgia. As of the 2010 census, the population was 28,120. The county seat is Danielsville. The county was created on December 5, 1811. Madison County was included in the Athens-Clarke County, GA Metropolitan Statistical Area, which is included in the Atlanta-Athens-Clarke County-Sandy Springs, GA Combined Statistical Area."