31542 -- U.S. ZIP code Municipality (1990): HOBOKEN, Georgia All ZIPs for this municipality (1990): 31542 Population (2000): 2285 Housing Units (2000): 949 Land area (2000): 70.058081 sq. miles (181.449588 sq. km) Water area (2000): 0.043225 sq. miles (0.111952 sq. km) Total area (2000): 70.101306 sq. miles (181.561540 sq. km) Located within: Georgia (GA) Location: 31.174700 N, 82.138123 W