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.
As of the 2010 census, the population was 40,915. Its county seat and largest city is Ellensburg. The county was created on November 24, 1883 when it separated from Yakima County. There are numerous interpretations of the name, which is from the language of the Yakama Nation. According to one source, it has been said to mean everything from 'white chalk ' to ' shale rock' to ' shoal people' to 'land of plenty'.