Webum > Regional > North America > United States > Oregon > Counties Baker Benton Clackamas Clatsop Columbia Coos Crook Curry Deschutes Douglas Gilliam Grant Harney Hood River Jackson Jefferson Josephine Klamath Lake Lane Lincoln Linn Malheur Marion Morrow Multnomah Polk Sherman Tillamook Umatilla Union Wallowa Wasco Washington Wheeler Yamhill Association of Oregon Counties Features PDF handbook, calendar, and committee reports. County Boundary Changes Maps showing boundary changes from 1859 until the counties assumed their present form in 1908. Oregon County Fairs County fairs in Oregon. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor