Zillah is a city in Yakima County, Washington, United States. The population was 2,198 at the 2000 census. It attracts some tourists because of the local church, the Church of God Zillah, the Teapot Dome gas station, or the El Ranchito restaurant. Zillah apartments for rent comparison page shows most up to date rent information on Zillah apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.