Marion County Population 2017

Marion County's estimated population is 336,316 with a growth rate of 1.93% in the past year according to the most recent United States census data. Marion County is the 5th largest county in Oregon.

Year Population Growth Growth Rate
2016336,3166,3691.93%
2015329,9475,0911.57%
2014324,8563,2841.02%
2013321,5721,6260.51%
2012319,9462,1820.69%
2011317,7641,7800.56%
2010315,98487,50138.30%
1990228,48323,79111.62%
1980204,69253,38335.28%
1970151,30930,42125.16%
1960120,88819,48719.22%
1950101,40126,15534.76%
194075,24614,70524.29%
193060,54113,35428.30%
192047,1877,40718.62%
191039,78012,06743.54%
190027,7134,77920.84%
189022,9348,35857.34%
188014,5764,61146.27%
18709,9652,87740.59%
18607,0884,339157.84%
18502,7490.00%

Marion County Population Growth

Population Data via

Marion County Race Data

Race Population Percentage
White295,24687.79%
Two or More Races10,8973.24%
American Indian and Alaska Native8,4432.51%
Asian7,5332.24%
Black or African American4,5921.37%
Native Hawaiian and Other Pacific Islander3,2360.96%

Marion County Population Pyramid

0k2k4k6k8k10k12kMarion County Male Population0k2k4k6k8k10k12kMarion County Female Population

Population of Cities in Marion County

City 2010 Census 2016 Estimated Growth Growth Rate
Salem154744167419126758.19%
Keizer364853898024956.84%
Woodburn240672559015236.33%
Silverton9222100027808.46%
Stayton767480804065.29%
Aumsville3586405947313.19%
Mount Angel337935411624.79%
Hubbard317333862136.71%
Jefferson310232891876.03%
Sublimity268129122318.62%
Gervais246426752118.56%
Turner185420311779.55%
Donald9791011323.27%
Aurora9181008909.80%
Gates471489183.82%
Scotts Mills357372154.20%
Detroit202217157.43%
Idanha13914453.60%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990