Buffalo, TX -- U.S. city in Texas Population (2000): 1804 Housing Units (2000): 815 Land area (2000): 4.020092 sq. miles (10.411989 sq. km) Water area (2000): 0.018304 sq. miles (0.047408 sq. km) Total area (2000): 4.038396 sq. miles (10.459397 sq. km) FIPS code: 11116 Located within: Texas (TX), FIPS 48 Location: 31.461402 N, 96.063024 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Buffalo, TX Buffalo