Marion County, Oregon Population 2020

Marion County, Oregon's estimated population is 341,217 with a growth rate of 1.61% in the past year according to the most recent United States census data. Marion County, Oregon is the 5th largest county in Oregon.

Year Population Growth Growth Rate
2018346,8685,6511.66%
2017341,2175,4011.61%
2016335,8166,5291.98%
2015329,2874,7091.45%
2014324,5783,0030.93%
2013321,5751,6600.52%
2012319,9151,8660.59%
2011318,0492,0980.66%
2010315,95187,46838.28%
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%

How Many People Live in Marion County, Oregon?

341,217

Population by Race

Race Population Percentage
White271,98981.06%
Some Other Race23,5407.02%
Two or More Races22,5806.73%
Asian6,7512.01%
Black or African American4,5881.37%
American Indian and Alaska Native3,0900.92%
Native Hawaiian and Other Pacific Islander3,0150.90%

Marion County, Oregon Population Pyramid 2020

Marion County, Oregon Median Age

36.4


Total

35.2


Male

37.7


Female

Marion County, Oregon Adults

There are 251,461 adults, (50,268 of whom are seniors) in Marion County, Oregon.

Marion County, Oregon Age Dependency

66.8

Age Dependency Ratio

25

Old Age Dependency Ratio

41.8

Child Dependency Ratio

Marion County, Oregon Sex Ratio

Female

168,220

50.13%

Male

167,333

49.87%

Marion County, Oregon Households and Families

Marion County, Oregon Renter vs Owner Occupied by Household Type

Marion County, Oregon Household Types

Type Owner Renter
Married73.9%26.1%
All59.5%40.5%
Non Family48.1%51.9%
Male43.3%56.7%
Female40.3%59.7%

59.5%

Rate of Home Ownership

Type Count Average Size Owned
All116,8612.7859.5
Married57,4553.4173.9
Non Family37,3281.3448.1
Female15,5943.5540.3
Male6,4843.6943.3

3.33

Average Family Size

2.78

Average Household Size

6.4%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Marion County, Oregon Education

Education Attained Count Percentage
Less Than 9th Grade15,9747.26%
9th to 12th Grade16,4457.48%
High School Graduate60,87527.68%
Some College57,92126.34%
Associates Degree18,5728.45%
Bachelors Degree32,94014.98%
Graduate Degree17,1907.82%

Marion County, Oregon Educational Attainment by Race

Name Total High School Bachelors
White162,180150,53244,135
Hispanic42,58523,8792,872
Other Race12,1356,653631
Multiple Races10,4867,7451,305
Asian4,6673,8451,605
Black2,5812,137187
Native American2,1841,426212
Islander1,6311,422164

The highest rate of high school graduation is among white people with a rate of 92.82%.

The highest rate of bachelors degrees is among asian people with a rate of 34.39%.

Name Average Male Female
Overall$32,549$37,445$28,778
Less Than High School$23,714$26,519$18,639
High School Grad$29,278$33,102$23,834
Some College$33,091$38,168$29,714
Bachelors Degree$49,364$59,191$40,285
Graduate Degree$60,913$68,624$53,561

$32,549

Average Earnings

$37,445

Average Male

$28,778

Average Female

Marion County, Oregon Language

Marion County, Oregon Language by Age

Marion County, Oregon Language

74.70% of Marion County, Oregon residents speak only English, while 25.30% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.51% of the population.

Marion County, Oregon Poverty

Marion County, Oregon Poverty by Race

Name Total In Poverty Poverty Rate
White215,13823,66311.00%
Hispanic86,52320,17123.31%
Multiple21,1274,80122.72%
Other23,1134,48719.41%
Black4,1711,43034.28%
Islander2,9751,41547.56%
Asian6,41986113.41%
Native2,83279428.04%

15.16%

Overall Poverty Rate

14.44%

Male Poverty Rate

15.87%

Female Poverty Rate

Poverty in Marion County, Oregon

The race most likely to be in poverty in Marion County, Oregon is Islander, with 47.56% below the poverty level.

The race least likely to be in poverty in Marion County, Oregon is White, with 11.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.03%. Among those working part-time, it was 17.01%, and for those that did not work, the poverty rate was 21.40%.

Name Poverty
Less Than High School21.44%
High School14.17%
Some College10.76%
Bachelors or Greater4.47%
Name Poverty
Female Unemployed41.34%
Male Unemployed29.34%
Female Employed8.29%
Male Employed7.15%

Marion County, Oregon Income

Marion County, Oregon Income by Household Type

Name Median Mean
Households$56,097$72,055
Families$65,803$81,586
Married Families$78,390$94,036
Non Families$34,773$47,207

Marion County, Oregon Marital Status

Marion County, Oregon Marital Status

Marriage Rates

47.7%

Overall Marriage Rate

48.4%

Male Marriage Rate

46.9%

Female Marriage Rate

Marion County, Oregon Married by Age and Sex

Marion County, Oregon Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Marion County, Oregon Marital Status by Race

Marion County, Oregon Veterans

21,310

Number of Veterans

19,571

Male Veterans

1,739

Female Veterans

War Veterans
Vietnam7,723
First Gulf War3,948
Second Gulf War3,264
Korea2,078
World War II882

Marion County, Oregon Veterans by Race

Name Veterans % of Total
White19,6679.40%
Hispanic1,1562.15%
2 or More6654.84%
Other2621.72%
Black2528.14%
Asian2174.01%
Indian1907.90%
Hawaiian572.74%

Marion County, Oregon Veterans by Education

6.87%

Veteran Poverty Rate

32.71%

Veteran Disability Rate

Marion County, Oregon Employment Status

61.5%

Labor Force Participation

57.7%

Employment Rate

6.1%

Unemployment Rate

Marion County, Oregon Place of Birth

Origin of Non Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

53.00%

Born in Oregon

87.38%

Native Born

12.62%

Foreign Born

8.21%

Non Citizen

Place of Birth

87.38% of Marion County, Oregon residents were born in the United States, with 53.00% having been born in Oregon. 8.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Marion County, Oregon

City 2010 Census 2016 Estimated Growth Growth Rate
Salem 154744167419126758.19%
Keizer364853898024956.84%
Woodburn240672559015236.33%
Silverton9222100027808.46%
Stayton767480804065.29%
Aumsville3586405947313.19%
Mount Angel337935411624.79%
Hubbard317333862136.71%
Jefferson310232891876.03%
Sublimity268129122318.62%
Gervais246426752118.56%
Turner185420311779.55%
Mill City 18531899462.48%
Donald9791011323.27%
Aurora9181008909.80%
Gates 471489183.82%
St. Paul421447266.18%
Scotts Mills357372154.20%
Detroit202217157.43%
Idanha 13914453.60%
  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