Castroville, TX -- U.S. city in Texas Population (2000): 2664 Housing Units (2000): 1025 Land area (2000): 2.548387 sq. miles (6.600293 sq. km) Water area (2000): 0.005945 sq. miles (0.015398 sq. km) Total area (2000): 2.554332 sq. miles (6.615691 sq. km) FIPS code: 13312 Located within: Texas (TX), FIPS 48 Location: 29.354954 N, 98.880656 W ZIP Codes (1990): 78009 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Castroville, TX Castroville