1 definition found glouster - U.S. Gazetteer (1990) : Glouster, OH (village, FIPS 30674) Location: 39.50280 N, 82.08476 W Population (1990): 2001 (837 housing units) Area: 3.3 sq km (land), 0.0 sq km (water) Zip code(s): 45732