Harris County is a county located in the west-central portion of the U.S. state of Georgia; its western border with the state of Alabama is formed by the Chattahoochee River. As of the 2010 census, the population was 32,024. The county seat is Hamilton. The largest city in the county is Pine Mountain, a resort town that is home to the world-famous Callaway Gardens Resort and Franklin D. Roosevelt State Park (the largest state park in Georgia). Harris County was created on December 14, 1827, and named for Charles Harris, a Georgia judge and attorney.