15212 -- U.S. ZIP code Municipality (1990): ALLEGHENY, Pennsylvania All ZIPs for this municipality (1990): 15212 Population (2000): 31850 Housing Units (2000): 16313 Land area (2000): 6.357504 sq. miles (16.465860 sq. km) Water area (2000): 0.002021 sq. miles (0.005234 sq. km) Total area (2000): 6.359525 sq. miles (16.471094 sq. km) Located within: Pennsylvania (PA) Location: 40.460669 N, 80.011447 W