30525 -- U.S. ZIP code Municipality (1990): CLAYTON, Georgia All ZIPs for this municipality (1990): 30525 Population (2000): 7289 Housing Units (2000): 4193 Land area (2000): 214.373035 sq. miles (555.223587 sq. km) Water area (2000): 0.036667 sq. miles (0.094968 sq. km) Total area (2000): 214.409702 sq. miles (555.318555 sq. km) Located within: Georgia (GA) Location: 34.882362 N, 83.415609 W