1 definition found cheboygan - U.S. Gazetteer (1990) : Cheboygan, MI (city, FIPS 15000) Location: 45.64190 N, 84.46881 W Population (1990): 4999 (2215 housing units) Area: 17.2 sq km (land), 0.5 sq km (water) Zip code(s): 49721