30032 -- U.S. ZIP code Municipality (1990): DECATUR, Georgia All ZIPs for this municipality (1990): 30030 30032 30033 30034 30035 Population (2000): 59912 Housing Units (2000): 20444 Land area (2000): 14.035807 sq. miles (36.352572 sq. km) Water area (2000): 0.020010 sq. miles (0.051826 sq. km) Total area (2000): 14.055817 sq. miles (36.404398 sq. km) Located within: Georgia (GA) Location: 33.740055 N, 84.267917 W