Port William, OH -- U.S. village in Ohio Population (2000): 258 Housing Units (2000): 107 Land area (2000): 0.116080 sq. miles (0.300646 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.116080 sq. miles (0.300646 sq. km) FIPS code: 64360 Located within: Ohio (OH), FIPS 39 Location: 39.551773 N, 83.785660 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Port William, OH Port William