1 definition found marinette - U.S. Gazetteer (1990) : Marinette, WI (city, FIPS 49300) Location: 45.08854 N, 87.62690 W Population (1990): 11843 (5268 housing units) Area: 17.2 sq km (land), 3.1 sq km (water) Zip code(s): 54143