1 definition found galion - U.S. Gazetteer (1990) : Galion, OH (city, FIPS 29162) Location: 40.73172 N, 82.79047 W Population (1990): 11859 (5169 housing units) Area: 12.6 sq km (land), 0.0 sq km (water) Zip code(s): 44833