Washington County, Oregon Population 2018

Washington County, Oregon's estimated population is 588,957 with a growth rate of 4.41% in the past year according to the most recent United States census data. Washington County, Oregon is the 2nd largest county in Oregon.

Year Population Growth Growth Rate
2017588,95724,8694.41%
2016564,088-18,651-3.20%
2016582,73910,3251.80%
2015572,41410,7641.92%
2014561,6507,0531.27%
2013554,5977,2991.33%
2012547,2987,7801.44%
2011539,5187,9651.50%
2010531,553219,99970.61%
1990311,55465,74626.75%
1980245,80887,88855.65%
1970157,92065,68371.21%
196092,23730,96850.54%
195061,26922,07556.32%
194039,1948,91929.46%
193030,2753,89914.78%
192026,3764,85422.55%
191021,5227,05548.77%
190014,4672,49520.84%
189011,9724,89069.05%
18807,0822,82166.21%
18704,2611,46052.12%
18602,8011495.62%
18502,6520.00%

Washington County, Oregon Population Growth

Population Data via

Population by Race

Race Population
White437,467
Asian53,569
Some Other Race29,333
Two or More Races27,552
Black or African American10,288
American Indian and Alaska Native3,550
Native Hawaiian and Other Pacific Islander2,329

Race Data via US Census (2016 ACS 5-Year Survey)

Washington County, Oregon Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Washington County, Oregon Median Age

36.2


Total

35.4


Male

37.2


Female

Washington County, Oregon Adults

There are 427,015 adults, (66,562 of which are seniors) in Washington County, Oregon.

Washington County, Oregon Age Dependency

56.5

Age Dependency Ratio

18.5

Old Age Dependency Ratio

38

Child Dependency Ratio

Washington County, Oregon Sex Ratio

Female

286,088

50.72%

Male

278,000

49.28%

Washington County, Oregon Households and Families

Washington County, Oregon Renter vs Owner Occupied by Household Type

Washington County, Oregon Household Types

Type Owner Renter
Married74.4%25.6%
All60.1%39.9%
Male45.9%54.1%
Non Family44.2%55.8%
Female40.8%59.2%

60.1%

Rate of Home Ownership

Washington County, Oregon Households by Type

Type Count Average Size Owned
All209,3092.6660.1
Married111,7303.2974.4
Non Family67,5221.3544.2
Female21,0133.2840.8
Male9,0443.2745.9

3.19

Average Family Size

2.66

Average Household Size

6.6%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Washington County, Oregon Households

Washington County, Oregon Education

Washington County, Oregon Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade16,3894.31%
9th to 12th Grade18,5114.87%
High School Graduate70,68218.58%
Some College85,03722.35%
Associates Degree33,0548.69%
Bachelors Degree98,86925.99%
Graduate Degree57,85315.21%

Washington County, Oregon Educational Attainment by Race

Name Total High School Bachelors
White278,035266,217120,725
Hispanic46,02027,8077,261
Asian38,02834,72122,426
Other Race15,0307,9131,369
Multiple Races10,8769,8923,589
Black6,5986,1352,596
Native American2,2501,874305
Islander1,3441,175313

The highest rate of high school graduation is among white people with a rate of 95.75%.

The highest rate of bachelors degrees is among white people with a rate of 58.97%.

Washington County, Oregon Earnings by Educational Attainment

Name Average Male Female
Overall$41,158$50,643$33,697
Less Than High School$21,621$24,164$17,905
High School Grad$29,939$33,656$24,549
Some College$37,090$45,321$31,079
Bachelors Degree$55,328$70,821$42,181
Graduate Degree$76,190$95,848$59,777

$41,158

Average Earnings

$50,643

Average Male

$33,697

Average Female

Washington County, Oregon Language

Washington County, Oregon Language by Age

Washington County, Oregon Language

75.93% of Washington County, Oregon residents speak only English, while 24.07% speak other languages. The largest non-English language is Spanish, which is spoken by 12.47% of the population.

Washington County, Oregon Poverty

Washington County, Oregon Poverty by Race

Name Total In Poverty Poverty Rate
White378,24329,6177.83%
Hispanic90,69222,01324.27%
Other29,1518,34728.63%
Asian53,2684,8559.11%
Multiple27,0443,75213.87%
Black10,1351,81617.92%
Native3,41662518.30%
Islander2,30737716.34%

11.07%

Overall Poverty Rate

10.27%

Male Poverty Rate

11.85%

Female Poverty Rate

Poverty in Washington County, Oregon

The race most likely to be in poverty in Washington County, Oregon is Other, with 28.63% below the poverty level.

The race least likely to be in poverty in Washington County, Oregon is White, with 7.83% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.42%. Among those working part-time, it was 15.53%, and for those that did not work, the poverty rate was 16.25%.

Washington County, Oregon Poverty Rate by Education

Name Poverty
Less Than High School23.49%
High School11.99%
Some College8.35%
Bachelors or Greater4.17%

Washington County, Oregon Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed30.13%
Male Unemployed28.57%
Female Employed6.96%
Male Employed5.66%

Washington County, Oregon Income

Washington County, Oregon Income by Household Type

Name Median Mean
Households$69,743$87,829
Families$81,887$100,418
Married Families$93,667$112,494
Non Families$43,248$57,521

Washington County, Oregon Marital Status

Washington County, Oregon Marital Status

Marriage Rates

53.2%

Overall Marriage Rate

55.1%

Male Marriage Rate

51.3%

Female Marriage Rate

Washington County, Oregon Married by Age and Sex

Washington County, Oregon Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 35To44.

Washington County, Oregon Marital Status by Race

Washington County, Oregon Veterans

Washington County, Oregon Veterans by War

32,177

Number of Veterans

29,554

Male Veterans

2,623

Female Veterans

Name Veterans
Vietnam11,144
First Gulf War7,107
Second Gulf War5,150
Korea2,913
World War II1,759

Washington County, Oregon Veterans by Age

Name Veterans
35 to 548,478
65 to 747,851
75+6,428
55 to 646,149
18 to 343,271

Washington County, Oregon Veterans by Race

Name Veterans % of Total
White29,5668.69%
Hispanic1,3652.41%
2 or More9246.46%
Asian7651.83%
Black5316.94%
Other2321.26%
Indian1485.70%
Hawaiian110.61%

Washington County, Oregon Veterans by Education

4.94%

Veteran Poverty Rate

24.93%

Veteran Disability Rate

Washington County, Oregon Employment Status

Washington County, Oregon Employment by Age

68.6%

Labor Force Participation

64%

Employment Rate

6.6%

Unemployment Rate

Washington County, Oregon Employment by Race

Washington County, Oregon Employment by Education

Population of Cities in Washington County, Oregon

City 2010 Census 2016 Estimated Growth Growth Rate
Portland 583799639863560649.60%
Hillsboro922081051641295614.05%
Beaverton897249759078668.77%
Tigard481985190237047.68%
Lake Oswego 367203894522256.06%
Tualatin 261182754514275.46%
Forest Grove2139024058266812.47%
Wilsonville 1950623768426221.85%
Sherwood181461929411486.33%
Cornelius11795124146195.25%
King City3127381769022.07%
North Plains194721281819.30%
Banks1801198718610.33%
Durham1351193558443.23%
Gaston 637695589.11%
Rivergrove 2893728328.72%
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