Area: 2,333 square miles
County Seat: Ellensburg
Kittitas County, Washington county borders Chelan County to the North, Douglas County to the Northeast, Grant County to the East, Yakima County to the South, Pierce County to the West and King County to the Northwest.
The land area of the county is 2,333 square miles with the population of 41,765 people. The County Seat is in the city of Ellensburg. Kittitas County was formed in 1883 after separation from Yakima County.