1 definition found earlington - U.S. Gazetteer (1990) : Earlington, KY (city, FIPS 23230) Location: 37.27345 N, 87.51555 W Population (1990): 1833 (824 housing units) Area: 8.1 sq km (land), 0.6 sq km (water) Zip code(s): 42410