Buffalo, WY -- U.S. city in Wyoming Population (2000): 3900 Housing Units (2000): 1842 Land area (2000): 3.529980 sq. miles (9.142606 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.529980 sq. miles (9.142606 sq. km) FIPS code: 10685 Located within: Wyoming (WY), FIPS 56 Location: 44.347479 N, 106.701222 W ZIP Codes (1990): 82834 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Buffalo, WY Buffalo