15102 -- U.S. ZIP code Municipality (1990): BETHEL PARK, Pennsylvania All ZIPs for this municipality (1990): 15102 Population (2000): 30825 Housing Units (2000): 12601 Land area (2000): 10.409272 sq. miles (26.959889 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 10.409272 sq. miles (26.959889 sq. km) Located within: Pennsylvania (PA) Location: 40.324535 N, 80.038645 W