Washington Population 2021

7,796,940
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Washington State is situated in the far northwestern corner of the United States, and with a land mass of 71,299 square miles, it is the 18th largest state in the US in terms of surface area.

The US Census Bureau 2015 estimate shows Washington's population has reached 7,170,351, up from 6.72 million recorded during the 2010 census. Washington is currently enjoying a healthy growth rate of 1.27%, which ranks 8th in the country.

In order to gauge any current population within Washington State, it is necessary to refer back to the last nationwide census which was carried out in 2010. At that stage, it was confirmed that there were 6,724,540 people in the state, and that represented an increase of just over 14% on the numbers declared in 2000.

Washington State Area and Population Density

Current estimates now show a population of 7.17 million in the state of Washington, and rapid growth is expected to continue. This population places Washington as the 13th most populous state in the country, but only 25th in terms of population density. Within its total area of 71,299 square miles, there is an average of 101.2 people for every square mile of Washington State territory.

Seattle is the largest city in the state with a population of 684,451, with a density of 7,962 people per square mile. The Seattle-Tacoma-Bellevue metropolitan area has a population of 3.73 million, however, and encompasses nearby cities like Kent, Tacoma, Bellevue and Everett. It accounts for more than half of the state's population. The most populated counties in Washington State are King and Pierce counties with respective populations of 2,188,649 and 876,764

Washington State Gender and Religion Statistics

The median age across the state of Washington is 37.6 years of age. In terms of the ratio of females to males, 50.1% of the population is female and 49.9% male.

In terms of preferred religions among the residents of the state, 61% of the population is affiliated with a Christian based faith, 6% are affiliated with non-Christian faiths, and 32% are not affiliated with any faith in particular.

Washington State Boundary, Census, and Statehood History

After a period when Great Britain also claimed it, Washington was definitively acquired in 1846 and was included in Oregon Territory, established in 1848. Washington became a separate territory in 1853, acquired essentially its present boundaries in 1863, and was admitted as a State on November 11, 1889.

The 1850 population is that of Clark and Lewis Counties, Oregon Territory; census coverage extended only to the southwestern part of present-day Washington. In 1860 census coverage included nearly the whole present State, and some persons in present-day northern Idaho and northwestern Montana.

Washington Demographics

According to the most recent ACS, the racial composition of Washington was:

  • White: 75.38%
  • Asian: 8.53%
  • Two or more races: 5.85%
  • Other race: 4.50%
  • Black or African American: 3.80%
  • Native American: 1.28%
  • Native Hawaiian or Pacific Islander: 0.66%

Washington State Population History

Like many areas in the far western United States, Washington State began life with a very small population and back in 1850, the population was recorded at 1,201. Ten years later, however, that had increased significantly by nearly 900% to 11,594 and it sparked a population explosion within the state to the extent that by the end of the 1800s, the population had grown to 518,103.

The Census of 1910 revealed that the Washington State population had exceeded one million for the very first time and the pattern throughout the 1900s was one of continued substantial growth.

Washington State Population Growth

Growth has continuously progressed through the present day where the population of Washington State in 2016 has surpassed 7 million. The overall picture in the state is clearly one of sustained growth and there is really nothing to indicate that this factor will change at all for the foreseeable future.

Population Projections for Washington State

Looking at percentage increases for the last few censuses, it is safe to assume that the population of Washington State will be well on its way to another major milestone through 2020, when the population is estimated to surpass 7.5 million.

According to current projections, Washington's population will reach 8.9 million by 2040, with migration contributing 59% of this increase, while the remaining 41% will be contributed by natural increases (or the number of births minus the number of deaths). While 14% of Washington's total population is now over the age of 65, this percentage will climb to 21% by 2040, which will have serious impacts on planning and policy-making for the state as a whole.

Washington has a fairly large Hispanic and Latino population of 12.4%, which may belong to any race. Despite a small overall percentage of the population, the black population of Washington is mostly in the Central District and South End regions of Seattle and Tacoma.

American Indians, meanwhile, live on Indian reservations and jurisdictory lands including Muckleshoot Indian Reservation and the Yakima Indian Reservation. Westernmost and Pacific coast regions of the state have large American Indian communities as well.

Asian American and Pacific Islanders are concentrated in the Seattle-Tacoma metropolitan area. Tacoma itself has one of the largest Cambodian American communities in the country, and Washington as a whole has the largest percentage of Pacific Islander people of any mainland US state except Utah.

Washington Growth Rate

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Washington Population Rank

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Washington Population 2021

Washington Facts

King County

  • Population2,301,620
  • Density1087.96 per sq km
  • Growth Since 201018.74%
  • State Population Rank1
  • % of State29.52%

When comparing data from the 2010 Census to estimates taken in 2015 by the US Census Bureau, this comparison shows that the majority of Washington's counties saw increases in their populations. The highest gain of 12.23% was reported in Franklin County, followed by King County's 9.26%. Other counties that had population gains exceeding 5% include Whitman, Benton, Clark, and Snohomish, while other counties such as Whatcom, Pierce, and Douglas had smaller growth rates.

There were a total of five counties that had losses in their respective populations. The highest loss occurred in Columbia County, with a decrease of 3.95%. The remaining losses were recorded in Lincoln, Garfield, Pacific, and Grays Harbor.

Washington Population Growth Rate by County

King County

  • Population2,301,620
  • Density1087.96 per sq km
  • Growth Since 201018.74%
  • State Population Rank1
  • % of State29.52%

Washington Population Density by County

Population by Race

Race Population Percentage
White5,581,12375.38%
Asian631,3338.53%
Two or More Races433,3865.85%
Some Other Race333,0384.50%
Black or African American281,6833.80%
American Indian and Alaska Native94,4491.28%
Native Hawaiian and Other Pacific Islander49,0900.66%
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Washington Population by Race

Washington Population Pyramid 2021

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Washington Median Age

37.7


Total

36.6


Male

38.8


Female

Washington Adults

There are 5,760,560 adults, (1,117,670 of whom are seniors) in Washington.

Washington Age Dependency

59.5

Age Dependency Ratio

24.1

Old Age Dependency Ratio

35.4

Child Dependency Ratio

Washington Sex Ratio

Female

3,700,810

49.98%

Male

3,703,300

50.02%

Washington Population by Age

Washington Renter vs Owner Occupied by Household Type

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Washington Household Types

Type Owner Renter
Married78.5%21.5%
All63%37%
Male52.6%47.4%
Female47.2%52.8%
Non Family46.5%53.5%

63.0%

Rate of Home Ownership

Washington Households and Families

Type Count Average Size Owned
All2,848,4002.5563
Married1,430,4603.1878.5
Non Family1,006,4401.3546.5
Female279,0913.347.2
Male132,4033.3152.6

3.09

Average Family Size

2.55

Average Household Size

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Washington Households by Type

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Education Attained Count Percentage
Less Than 9th Grade186,2753.65%
9th to 12th Grade256,1745.02%
High School Graduate1,122,33022.00%
Some College1,189,88023.32%
Associates Degree509,3539.98%
Bachelors Degree1,144,54022.43%
Graduate Degree693,06713.59%
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Washington Educational Attainment by Sex (over 25)

Washington Educational Attainment by Race

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Name Total High School Bachelors
White3,750,6503,560,6301,403,900
Hispanic472,042313,86777,190
Asian458,261404,833245,624
Multiple Races187,209171,48860,165
Black180,350161,99045,394
Other Race177,611102,42819,251
Native American59,54249,6418,779
Islander30,60726,7233,962

The highest rate of high school graduation is among white people with a rate of 94.93%.

The highest rate of bachelors degrees is among asian people with a rate of 53.60%.

Washington Educational Attainment by Race

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Name Average Male Female
Overall$46,263$54,716$37,450
Less Than High School$27,253$31,755$21,228
High School Grad$35,244$42,001$27,512
Some College$41,018$50,661$32,499
Bachelors Degree$61,735$77,313$49,017
Graduate Degree$80,457$101,172$66,057

$46,263

Average Earnings

$54,716

Average Male

$37,450

Average Female

Washington Earnings by Educational Attainment

Washington Language by Age

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Washington Language

80.28% of Washington residents speak only English, while 19.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.59% of the population.

Washington Language

Washington Poverty by Race

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Name Total In Poverty Poverty Rate
White4,989,460436,4708.75%
Hispanic919,516169,16818.40%
Other327,03766,04820.20%
Asian621,38458,0179.34%
Black271,28555,39720.42%
Multiple421,23354,72312.99%
Native90,82220,27522.32%
Islander47,9857,34615.31%

10.81%

Overall Poverty Rate

9.94%

Male Poverty Rate

11.66%

Female Poverty Rate

Poverty in Washington

The race most likely to be in poverty in Washington is Native, with 22.32% below the poverty level.

The race least likely to be in poverty in Washington is White, with 8.75% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.67%. Among those working part-time, it was 14.34%, and for those that did not work, the poverty rate was 18.24%.

Washington Poverty

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Name Poverty
Less Than High School21.06%
High School11.75%
Some College9.10%
Bachelors or Greater3.98%

Washington Poverty Rate by Education

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Name Poverty
Female Unemployed29.10%
Male Unemployed27.30%
Female Employed5.97%
Male Employed4.37%

Washington Poverty Rate by Employment Status and Sex

Washington Income by Household Type

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Name Median Mean
Households$73,775$98,983
Families$88,660$114,940
Married Families$102,341$129,918
Non Families$45,823$64,637
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Income by Household Type

Washington Marital Status

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Marriage Rates

51.0%

Overall Marriage Rate

51.7%

Male Marriage Rate

50.4%

Female Marriage Rate

Washington Married by Age and Sex

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Washington 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.

Washington Marital Status by Race

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Washington Marital Status

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529,784

Number of Veterans

476,613

Male Veterans

53,171

Female Veterans

War Veterans
Vietnam191,799
First Gulf War125,000
Second Gulf War118,378
Korea34,299
World War II15,281

Washington Veterans by War

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Age Group Veterans
65 to 74136,494
35 to 54135,900
75+104,903
55 to 64100,465
18 to 3452,022

Washington Veterans by Age

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Name Veterans % of Total
White457,54810.34%
Black26,39712.76%
Hispanic24,1484.16%
2 or More16,8117.09%
Asian14,2202.76%
Other5,6462.58%
Indian5,3597.76%
Hawaiian3,80310.56%

Washington Veterans by Race

Washington Veterans by Education

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5.85%

Veteran Poverty Rate

28.81%

Veteran Disability Rate

Washington Veterans by Education

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64.5%

Labor Force Participation

60.5%

Employment Rate

5%

Unemployment Rate

Washington Employment by Age

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Washington Employment by Race

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Washington 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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46.69%

Born in Washington

85.73%

Native Born

14.27%

Foreign Born

7.47%

Non Citizen

6.80%

Naturalized

Place of Birth

85.73% of Washington residents were born in the United States, with 46.69% having been born in Washington. 7.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Washington Place of Birth