Grambling, LA -- U.S. town in Louisiana Population (2000): 4693 Housing Units (2000): 1408 Land area (2000): 5.486327 sq. miles (14.209520 sq. km) Water area (2000): 0.021664 sq. miles (0.056109 sq. km) Total area (2000): 5.507991 sq. miles (14.265629 sq. km) FIPS code: 30515 Located within: Louisiana (LA), FIPS 22 Location: 32.527427 N, 92.713987 W ZIP Codes (1990): 71245 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Grambling, LA Grambling