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Portion of Umpqua County which lay east of the Coast Range summit: Named for senator Stephen A. Douglas, a supporter of Oregon's admission to the union. 112,435: 5,037 sq mi (13,046 km 2) Gilliam County: 021: Condon: 1885: Eastern third of Wasco County: Named for Oregon pioneer Cornelius Gilliam (1798–1848). 2,026: 1,204 sq mi (3,118 km 2 ...
This page was last edited on 18 December 2016, at 18:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Washington County is one of 36 counties in the U.S. state of Oregon and part of the Portland metropolitan area.The 2020 census recorded the population as 600,372, [1] making it the second most populous county in the state and the most populous "Washington County" in the United States.
It is the largest county in Oregon by area and the tenth-largest county in the United States (excluding boroughs and census areas in Alaska). Steens Mountain is the county's most prominent geographical feature, rising to 9,700 feet (3,000 m) above sea level and spanning many miles across a region that is otherwise fairly flat. [ 16 ]
Wallowa County (/ w ə ˈ l aʊ w ə /) is the northeastern most county in the U.S. state of Oregon. As of the 2020 census , the population was 7,391, [ 1 ] making it Oregon's fifth-least populous county.
Oregon Country was the American name, while the British used Columbia District for the region. [1] British and French Canadian fur traders had entered Oregon Country prior to 1810 before the arrival of American settlers from the mid-1830s onwards, which led to the foundation of the Provisional Government of Oregon.
The Oregon Provisional Legislature created Polk County from Yamhill District on December 22, 1845, granting to it the entire southwestern portion of present-day Oregon to the California border. County boundaries were periodically changed to reflect the creation of Benton and Lincoln counties. Many other counties were subsequently carved out of ...
This page was last edited on 14 September 2017, at 04:58 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.