15059 -- U.S. ZIP code Municipality (1990): MIDLAND, Pennsylvania All ZIPs for this municipality (1990): 15059 Population (2000): 4747 Housing Units (2000): 2275 Land area (2000): 14.151385 sq. miles (36.651918 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 14.151385 sq. miles (36.651918 sq. km) Located within: Pennsylvania (PA) Location: 40.649081 N, 80.472184 W