1 definition found waynoka - U.S. Gazetteer (1990) : Waynoka, OK (city, FIPS 79350) Location: 36.58501 N, 98.87941 W Population (1990): 947 (635 housing units) Area: 2.3 sq km (land), 0.0 sq km (water) Zip code(s): 73860