Folsom, LA -- U.S. village in Louisiana Population (2000): 525 Housing Units (2000): 222 Land area (2000): 1.526348 sq. miles (3.953223 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.526348 sq. miles (3.953223 sq. km) FIPS code: 26140 Located within: Louisiana (LA), FIPS 22 Location: 30.629985 N, 90.190042 W ZIP Codes (1990): 70437 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Folsom, LA Folsom