Lafourche -- U.S. Parish in Louisiana Population (2000): 89974 Housing Units (2000): 35045 Land area (2000): 1084.679448 sq. miles (2809.306755 sq. km) Water area (2000): 387.508415 sq. miles (1003.642145 sq. km) Total area (2000): 1472.187863 sq. miles (3812.948900 sq. km) Located within: Louisiana (LA), FIPS 22 Location: 29.624247 N, 90.576486 W Headwords: Lafourche Lafourche, LA Lafourche Parish Lafourche Parish, LA