Watauga, TX -- U.S. city in Texas Population (2000): 21908 Housing Units (2000): 7275 Land area (2000): 4.167439 sq. miles (10.793618 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.167439 sq. miles (10.793618 sq. km) FIPS code: 76672 Located within: Texas (TX), FIPS 48 Location: 32.871416 N, 97.249122 W ZIP Codes (1990): 76148 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Watauga, TX Watauga