1 definition found hallock - U.S. Gazetteer (1990) : Hallock, MN (city, FIPS 26576) Location: 48.76641 N, 96.94359 W Population (1990): 1304 (607 housing units) Area: 5.4 sq km (land), 0.0 sq km (water) Zip code(s): 56728