Confluence, PA -- U.S. borough in Pennsylvania Population (2000): 834 Housing Units (2000): 404 Land area (2000): 1.596582 sq. miles (4.135129 sq. km) Water area (2000): 0.052398 sq. miles (0.135709 sq. km) Total area (2000): 1.648980 sq. miles (4.270838 sq. km) FIPS code: 15680 Located within: Pennsylvania (PA), FIPS 42 Location: 39.809997 N, 79.356692 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Confluence, PA Confluence