Cass -- U.S. County in Texas Population (2000): 30438 Housing Units (2000): 13890 Land area (2000): 937.352814 sq. miles (2427.732541 sq. km) Water area (2000): 22.992951 sq. miles (59.551467 sq. km) Total area (2000): 960.345765 sq. miles (2487.284008 sq. km) Located within: Texas (TX), FIPS 48 Location: 33.077180 N, 94.323065 W Headwords: Cass Cass, TX Cass County Cass County, TX