Richwood, TX -- U.S. city in Texas Population (2000): 3012 Housing Units (2000): 1254 Land area (2000): 1.566701 sq. miles (4.057736 sq. km) Water area (2000): 0.069083 sq. miles (0.178925 sq. km) Total area (2000): 1.635784 sq. miles (4.236661 sq. km) FIPS code: 61904 Located within: Texas (TX), FIPS 48 Location: 29.061512 N, 95.412597 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Richwood, TX Richwood