Petronila, TX -- U.S. city in Texas Population (2000): 83 Housing Units (2000): 40 Land area (2000): 1.792283 sq. miles (4.641991 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.792283 sq. miles (4.641991 sq. km) FIPS code: 57056 Located within: Texas (TX), FIPS 48 Location: 27.674613 N, 97.636360 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Petronila, TX Petronila