Columbia County Cities

  

• Cities are arranged in alphabetical order from left to right •

NOTE: City Naming History adapted from the book Washington State Place Names (8th Printing, 1997)
with permission from the Publisher: University of Washington Press.
Columbia County
 Columbia County's Web Site
31st Largest County by Area - County Seat: Dayton
county map

Columbia County, located in the Blue Mountain region of southeastern Washington, has an agricultural/timber based economy. It was named for the great "River of the West", and was created by act of the Washington Territorial Legislature on November 11, 1875.