Duson, LA -- U.S. town in Louisiana Population (2000): 1672 Housing Units (2000): 724 Land area (2000): 2.566824 sq. miles (6.648043 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.566824 sq. miles (6.648043 sq. km) FIPS code: 22255 Located within: Louisiana (LA), FIPS 22 Location: 30.236286 N, 92.184905 W ZIP Codes (1990): 70529 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Duson, LA Duson