Washington County, Oregon Population 2022

Washington County, Oregon's estimated population is 615,656 with a growth rate of 0.77% in the past year according to the most recent United States census data. Washington County, Oregon is the 3rd largest county in Oregon. The 2010 Population was 531,638 and has seen a growth of 15.80% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18502,6520.00%
18602,8011495.62%
18704,2611,46052.12%
18807,0822,82166.21%
189011,9724,89069.05%
190014,4672,49520.84%
191021,5227,05548.77%
192026,3764,85422.55%
193030,2753,89914.78%
194039,1948,91929.46%
195061,26922,07556.32%
196092,23730,96850.54%
1970157,92065,68371.21%
1980245,80887,88855.65%
1990311,55465,74626.75%
2010531,638220,08470.64%
2011540,9679,3291.75%
2012548,5247,5571.40%
2013555,2646,7401.23%
2014562,3167,0521.27%
2015572,66410,3481.84%
2016584,91012,2462.14%
2017591,3366,4261.10%
2018596,9045,5680.94%
2019601,5924,6880.79%
2020606,2804,6880.78%
2021610,9684,6880.77%
2022615,6564,6880.77%
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Washington County, Oregon Population Growth

Population by Race

Race Population Percentage
White438,12373.54%
Black or African American12,9312.17%
American Indian and Alaska Native3,4560.58%
Asian64,54910.83%
Native Hawaiian and Other Pacific Islander2,3410.39%
Some Other Race31,4745.28%
Two or More Races42,8877.20%
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Washington County, Oregon Population by Race

Washington County, Oregon Population Pyramid 2022

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Washington County, Oregon Median Age

36.9


Total

35.9


Male

37.9


Female

Washington County, Oregon Adults

There are 459,653 adults, (79,502 of whom are seniors) in Washington County, Oregon.

Washington County, Oregon Age Dependency

Age Dependency Ratio

20.9

Old Age Dependency Ratio

35.8

Child Dependency Ratio

Washington County, Oregon Sex Ratio

Female

300,625

50.46%

Male

295,136

49.54%

Washington County, Oregon Population by Age

Washington County, Oregon Renter vs Owner Occupied by Household Type

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Washington County, Oregon Household Types

Type Owner Renter
Married75.8%24.2%
All61.3%38.7%
Female45.1%54.9%
Non Family45.1%54.9%
Male44%56%

61.3%

Rate of Home Ownership

Washington County, Oregon Households and Families

Type Count Average Size Owned
All223,0402.6461.3
Married118,2363.2575.8
Male10,1133.3644
Female21,6863.245.1
Non Family73,0051.3945.1

3.14

Average Family Size

2.64

Average Household Size

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Washington County, Oregon Households by Type

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Education Attained Count Percentage
Less Than 9th Grade15,6473.81%
9th to 12th Grade14,7223.58%
High School Graduate71,74017.45%
Some College88,16921.45%
Associates Degree36,1398.79%
Bachelors Degree114,44527.84%
Graduate Degree70,23717.09%
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Washington County, Oregon Educational Attainment by Sex (over 25)

Washington County, Oregon Educational Attainment by Race

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Race Total High School Bachelors
Asian46,81544,05531,443
White286,633276,933133,926
Black8,5458,0503,846
2+ Races19,95417,6827,414
Islander1,6431,553602
Native American2,2461,926457
Hispanic53,02336,6429,102
Other Race17,89211,7492,172

The highest rate of high school graduation is among white people with a rate of 96.62%.

The highest rate of bachelors degrees is among asian people with a rate of 67.16%.

Washington County, Oregon Educational Attainment by Race

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Name Average Male Female
Overall$49,362$59,110$40,277
Less Than 9th Grade$27,200$33,973$21,418
High School Graduate$33,107$39,308$26,740
Some College$42,339$50,597$36,288
Bachelors Degree$63,115$80,411$50,744
Graduate Degree$90,601$109,231$68,190

$49,362

Average Earnings

$59,110

Average Male

$40,277

Average Female

Washington County, Oregon Earnings by Educational Attainment

Washington County, Oregon Language by Age

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Washington County, Oregon Language

75.17% of Washington County, Oregon residents speak only English, while 24.83% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.91% of the population.

Washington County, Oregon Language

Washington County, Oregon Poverty by Race

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Name Total In Poverty Poverty Rate
Black12,6712,25017.76%
Native3,34658817.57%
Hispanic99,29314,80714.91%
Multiple42,4994,51810.63%
Asian64,2064,7037.32%
White381,30224,9906.55%
Islander2,319210.91%
Other4,629NaN%

8.45%

Overall Poverty Rate

7.65%

Male Poverty Rate

9.24%

Female Poverty Rate

Poverty in Washington County, Oregon

The race most likely to be in poverty in Washington County, Oregon is Black, with 17.76% below the poverty level.

The race least likely to be in poverty in Washington County, Oregon is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.69%. Among those working part-time, it was 11.51%, and for those that did not work, the poverty rate was 15.50%.

Washington County, Oregon Poverty

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Name Poverty
Less Than 9th Grade16.74%
High School10.88%
Some College6.89%
Bachelors or Greater3.90%

Washington County, Oregon Poverty Rate by Education

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Rate Poverty
Male Employed3.55%
Male Unemployed18.66%
Female Employed5.26%
Female Unemployed21.85%

Washington County, Oregon Poverty Rate by Employment Status and Sex

Washington County, Oregon Income by Household Type

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Name Median Mean
Households$86,626$107,802
Families$101,700$123,322
Married Families$115,372$137,023
Non Families$53,666$69,848
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Income by Household Type

Washington County, Oregon Marital Status

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Marriage Rates

52.9%

Overall Marriage Rate

54.6%

Male Marriage Rate

51.3%

Female Marriage Rate

Washington County, Oregon Married by Age and Sex

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Washington County, Oregon Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Washington County, Oregon Marital Status by Race

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Washington County, Oregon Marital Status

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30,389

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War6,712
First Gulf War7,230
Vietnam9,499
Korea2,159
World War II905

Washington County, Oregon Veterans by War

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Age Group Veterans
18 to 342,816
35 to 548,683
55 to 645,226
65 to 747,140
75+6,524

Washington County, Oregon Veterans by Age

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Name Veterans % of Total
White27,0927.82%
Black4854.99%
Native American1073.91%
Asian8531.65%
Islander1276.40%
Other Race5742.65%
2+ Races1,1514.61%
Hispanic1,7042.63%

Washington County, Oregon Veterans by Race

Washington County, Oregon Veterans by Education

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5.98%

Veteran Poverty Rate

26.12%

Veteran Disability Rate

Washington County, Oregon Veterans by Education

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69.5%

Labor Force Participation

66.3%

Employment Rate

4.4%

Unemployment Rate

Washington County, Oregon Employment by Age

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Washington County, Oregon Employment by Race

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Washington County, Oregon Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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41.56%

Born in Washington County, Oregon

82.10%

Native Born

17.90%

Foreign Born

9.50%

Non Citizen

8.39%

Naturalized

Place of Birth

82.10% of Washington County, Oregon residents were born in the United States, with 41.56% having been born in Oregon. 9.50% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Washington County, Oregon Place of Birth

  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

Sources