La Salle -- U.S. County in Texas Population (2000): 5866 Housing Units (2000): 2436 Land area (2000): 1488.848949 sq. miles (3856.100912 sq. km) Water area (2000): 5.378642 sq. miles (13.930617 sq. km) Total area (2000): 1494.227591 sq. miles (3870.031529 sq. km) Located within: Texas (TX), FIPS 48 Location: 28.353773 N, 99.162133 W Headwords: La Salle La Salle, TX La Salle County La Salle County, TX