30281 -- U.S. ZIP code Municipality (1990): STOCKBRIDGE, Georgia All ZIPs for this municipality (1990): 30281 Population (2000): 49093 Housing Units (2000): 18295 Land area (2000): 72.266717 sq. miles (187.169930 sq. km) Water area (2000): 0.422760 sq. miles (1.094943 sq. km) Total area (2000): 72.689477 sq. miles (188.264873 sq. km) Located within: Georgia (GA) Location: 33.547578 N, 84.218093 W