Data indicators about private plans participating in the Medicare Advantage program and the Medicare prescription drug program.
Ellensburg, WA Weather. Ellensburg, WA climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.
Ellensburg, Washington. Ellensburg is a city in, and the county seat of, Kittitas County, Washington, United States. The population was 18,174 at the 2010 census. Ellensburg is located just east of the Cascade Range on Interstate 90 and is known as the most centrally located city in the state.