1 definition found wabaunsee county - U.S. Gazetteer (1990) : Wabaunsee County, KS (county, FIPS 197) Location: 38.95481 N, 96.20030 W Population (1990): 6603 (2853 housing units) Area: 2065.4 sq km (land), 6.2 sq km (water)