Coplay, PA -- U.S. borough in Pennsylvania Population (2000): 3387 Housing Units (2000): 1484 Land area (2000): 0.630363 sq. miles (1.632632 sq. km) Water area (2000): 0.022495 sq. miles (0.058261 sq. km) Total area (2000): 0.652858 sq. miles (1.690893 sq. km) FIPS code: 16128 Located within: Pennsylvania (PA), FIPS 42 Location: 40.670521 N, 75.495395 W ZIP Codes (1990): 18037 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Coplay, PA Coplay