Population of Counties in Oregon (2018)

Name 2018 Population Growth Since 2010
Multnomah County807,5559.55%
Washington County588,95710.80%
Clackamas County412,6729.53%
Lane County374,7486.50%
Marion County341,2868.03%
Jackson County217,4796.96%
Deschutes County186,87518.47%
Linn County125,0476.99%
Douglas County109,4051.67%
Yamhill County105,7226.49%
Benton County90,9516.30%
Josephine County86,3524.21%
Polk County83,69610.80%
Umatilla County76,9851.17%
Klamath County66,9350.94%
Coos County63,8881.41%
Columbia County51,7824.92%
Lincoln County48,9206.36%
Clatsop County39,1825.65%
Malheur County30,480-2.76%
Tillamook County26,6905.69%
Wasco County26,4374.58%
Union County26,2221.92%
Jefferson County23,7589.72%
Hood River County23,3774.16%
Crook County23,12310.72%
Curry County22,6691.32%
Baker County16,054-0.38%
Morrow County11,166-0.37%
Lake County7,863-0.15%
Harney County7,289-1.50%
Grant County7,190-3.68%
Wallowa County7,0510.57%
Gilliam County1,855-1.43%
Sherman County1,758-1.18%
Wheeler County1,357-6.22%