Washington County, Oregon Population 2018

Washington County, Oregon's estimated population is 588,957 with a growth rate of 1.07% 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
2017572,071-16,886-2.87%
2017588,9576,2181.07%
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
White442,693
Asian56,166
Two or More Races28,978
Some Other Race27,481
Black or African American10,980
American Indian and Alaska Native3,467
Native Hawaiian and Other Pacific Islander2,306

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Washington County, Oregon Population Pyramid 2018

5,00010,00015,00020,000 Male Population5,00010,00015,00020,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Washington County, Oregon Median Age

36.4


Total

35.5


Male

37.3


Female

Washington County, Oregon Adults

There are 434,958 adults, (69,465 of whom are seniors) in Washington County, Oregon.

Washington County, Oregon Age Dependency

56.5

Age Dependency Ratio

19

Old Age Dependency Ratio

37.5

Child Dependency Ratio

Washington County, Oregon Sex Ratio

Female

289,690

50.64%

Male

282,381

49.36%

Washington County, Oregon Households and Families

Washington County, Oregon Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Washington County, Oregon Household Types

Type Owner Renter
Married74.8%25.2%
All60.8%39.2%
Male47.2%52.8%
Non Family45%55%
Female42.5%57.5%

60.8%

Rate of Home Ownership

Washington County, Oregon Households by Type

Type Count Average Size Owned
All212,7782.6660.8
Married114,1203.2874.8
Non Family68,3721.3545
Female21,1573.2742.5
Male9,1293.2447.2

3.17

Average Family Size

2.66

Average Household Size

6.9%

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 Grade15,9024.10%
9th to 12th Grade17,7174.57%
High School Graduate70,25218.11%
Some College85,73922.10%
Associates Degree33,7548.70%
Bachelors Degree103,49426.68%
Graduate Degree61,03215.73%

Washington County, Oregon Educational Attainment by Race

Name Total High School Bachelors
White280,625269,267124,591
Hispanic47,90130,3838,180
Asian40,24336,89125,134
Other Race14,6388,0941,584
Multiple Races11,99711,0023,997
Black6,9646,5222,894
Native American2,3451,891364
Islander1,3141,290303

The highest rate of high school graduation is among islander people with a rate of 98.17%.

The highest rate of bachelors degrees is among islander people with a rate of 62.46%.

Washington County, Oregon Earnings by Educational Attainment

Name Average Male Female
Overall$42,491$52,246$35,127
Less Than High School$22,405$24,919$18,328
High School Grad$30,144$35,079$24,765
Some College$38,316$46,928$31,541
Bachelors Degree$55,432$72,340$42,948
Graduate Degree$81,223$98,981$62,123

$42,491

Average Earnings

$52,246

Average Male

$35,127

Average Female

Washington County, Oregon Language

Washington County, Oregon Language by Age

Washington County, Oregon Language

75.68% of Washington County, Oregon residents speak only English, while 24.32% speak other languages. The largest non-English language is Spanish, which is spoken by 12.48% of the population.

Washington County, Oregon Poverty

Washington County, Oregon Poverty by Race

Name Total In Poverty Poverty Rate
White379,91827,0447.12%
Hispanic93,13920,63822.16%
Other27,3536,68524.44%
Asian55,9095,3109.50%
Multiple28,4803,96913.94%
Black10,7871,61014.93%
Native3,33351015.30%
Islander2,29533314.51%

10.28%

Overall Poverty Rate

9.56%

Male Poverty Rate

10.99%

Female Poverty Rate

Poverty in Washington County, Oregon

The race most likely to be in poverty in Washington County, Oregon is Other, with 24.44% below the poverty level.

The race least likely to be in poverty in Washington County, Oregon is White, with 7.12% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.22%. Among those working part-time, it was 14.50%, and for those that did not work, the poverty rate was 15.65%.

Washington County, Oregon Poverty Rate by Education

Name Poverty
Less Than High School21.86%
High School11.94%
Some College7.72%
Bachelors or Greater3.95%

Washington County, Oregon Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed27.03%
Male Unemployed25.75%
Female Employed6.58%
Male Employed5.11%

Washington County, Oregon Income

Washington County, Oregon Income by Household Type

Name Median Mean
Households$74,033$93,043
Families$85,993$106,112
Married Families$98,190$118,328
Non Families$46,157$60,803

Washington County, Oregon Marital Status

Washington County, Oregon Marital Status

Marriage Rates

53.4%

Overall Marriage Rate

55.2%

Male Marriage Rate

51.7%

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


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Washington County, Oregon Veterans

Washington County, Oregon Veterans by War

31,598

Number of Veterans

29,013

Male Veterans

2,585

Female Veterans

Name Veterans
Vietnam10,839
First Gulf War7,591
Second Gulf War5,765
Korea2,461
World War II1,521

Washington County, Oregon Veterans by Age

Name Veterans
35 to 548,597
65 to 747,784
75+6,081
55 to 645,806
18 to 343,330

Washington County, Oregon Veterans by Race

Name Veterans % of Total
White28,7228.34%
Hispanic1,4092.39%
2 or More1,0486.69%
Asian8121.84%
Black6347.89%
Other1590.87%
Indian1495.56%
Hawaiian744.34%

Washington County, Oregon Veterans by Education

4.65%

Veteran Poverty Rate

24.63%

Veteran Disability Rate

Washington County, Oregon Employment Status

Washington County, Oregon Employment by Age

69%

Labor Force Participation

65.1%

Employment Rate

5.6%

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