1 definition found waukon - U.S. Gazetteer (1990) : Waukon, IA (city, FIPS 82740) Location: 43.26982 N, 91.47635 W Population (1990): 4019 (1758 housing units) Area: 6.5 sq km (land), 0.0 sq km (water) Zip code(s): 52172