1 definition found waltonville - U.S. Gazetteer (1990) : Waltonville, IL (village, FIPS 78708) Location: 38.21323 N, 89.03913 W Population (1990): 396 (185 housing units) Area: 2.5 sq km (land), 0.1 sq km (water) Zip code(s): 62894