King County, Washington Population 2018

King County, Washington's estimated population is 2,188,649 with a growth rate of 5.25% in the past year according to the most recent United States census data. King County, Washington is the 1st largest county in Washington.

Year Population Growth Growth Rate
20172,188,649109,0995.25%
20162,079,550-76,412-3.54%
20162,155,96238,2661.81%
20152,117,69636,4471.75%
20142,081,24934,2101.67%
20132,047,03937,7441.88%
20122,009,29537,0901.88%
20111,972,20534,8271.80%
20101,937,378430,05928.53%
19901,507,319237,57018.71%
19801,269,749113,1169.78%
19701,156,633221,61923.70%
1960935,014202,02227.56%
1950732,992228,01245.15%
1940504,98041,4638.95%
1930463,51774,24419.07%
1920389,273104,63536.76%
1910284,638174,585158.64%
1900110,05346,06471.99%
189063,98957,079826.03%
18806,9104,790225.94%
18702,1201,818601.99%
18603020.00%

King County, Washington Population Growth

Population Data via

Population by Race

Race Population
White1,397,436
Asian332,246
Black or African American127,902
Two or More Races125,816
Some Other Race65,354
Native Hawaiian and Other Pacific Islander16,215
American Indian and Alaska Native14,581

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

King County, Washington 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

King County, Washington Median Age

37.2


Total

36.5


Male

38


Female

King County, Washington Adults

There are 1,644,924 adults, (253,705 of which are seniors) in King County, Washington.

King County, Washington Age Dependency

49.4

Age Dependency Ratio

18.2

Old Age Dependency Ratio

31.2

Child Dependency Ratio

King County, Washington Sex Ratio

Female

1,041,758

50.10%

Male

1,037,792

49.90%

King County, Washington Households and Families

King County, Washington Renter vs Owner Occupied by Household Type

King County, Washington Household Types

Type Owner Renter
Married75.6%24.4%
All57.3%42.7%
Male46.5%53.5%
Female44.8%55.2%
Non Family39.6%60.4%

57.3%

Rate of Home Ownership

King County, Washington Households by Type

Type Count Average Size Owned
All831,9952.4657.3
Married392,1233.1675.6
Non Family334,8951.3839.6
Female73,1373.2344.8
Male31,8403.346.5

3.09

Average Family Size

2.46

Average Household Size

6.5%

Unmarried (Opposite Sex)

0.8%

Unmarried (Same Sex)

King County, Washington Households

King County, Washington Education

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

Education Attained Count Percentage
Less Than 9th Grade50,1043.42%
9th to 12th Grade60,3864.12%
High School Graduate234,39916.00%
Some College280,89919.18%
Associates Degree120,4348.22%
Bachelors Degree441,45330.14%
Graduate Degree277,10118.92%

King County, Washington Educational Attainment by Race

Name Total High School Bachelors
White980,670945,921519,378
Asian235,639207,117133,126
Hispanic105,95474,09125,275
Black80,73269,89018,869
Multiple Races53,97449,79321,625
Other Race36,69622,1726,362
Native American9,4237,5851,496
Islander9,3618,3181,101

The highest rate of high school graduation is among white people with a rate of 96.46%.

The highest rate of bachelors degrees is among white people with a rate of 56.50%.

King County, Washington Earnings by Educational Attainment

Name Average Male Female
Overall$50,092$60,235$40,445
Less Than High School$23,903$27,064$19,607
High School Grad$32,075$37,184$27,349
Some College$39,507$46,699$32,838
Bachelors Degree$62,200$79,252$49,661
Graduate Degree$81,638$102,790$62,441

$50,092

Average Earnings

$60,235

Average Male

$40,445

Average Female

King County, Washington Language

King County, Washington Language by Age

King County, Washington Language

73.50% of King County, Washington residents speak only English, while 26.50% speak other languages. The largest non-English language is Asian, which is spoken by 11.18% of the population.

King County, Washington Poverty

King County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White1,278,39791,2927.14%
Asian327,95636,74611.20%
Hispanic191,10236,47019.08%
Black125,51235,18528.03%
Multiple122,41318,54415.15%
Other64,06811,99418.72%
Islander15,9333,45821.70%
Native14,0643,26923.24%

10.70%

Overall Poverty Rate

9.98%

Male Poverty Rate

11.41%

Female Poverty Rate

Poverty in King County, Washington

The race most likely to be in poverty in King County, Washington is Black, with 28.03% below the poverty level.

The race least likely to be in poverty in King County, Washington is White, with 7.14% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.45%. Among those working part-time, it was 15.08%, and for those that did not work, the poverty rate was 20.26%.

King County, Washington Poverty Rate by Education

Name Poverty
Less Than High School24.70%
High School12.82%
Some College9.80%
Bachelors or Greater4.09%

King County, Washington Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed29.49%
Male Unemployed28.22%
Female Employed6.01%
Male Employed4.47%

King County, Washington Income

King County, Washington Income by Household Type

Name Median Mean
Households$78,800$106,772
Families$100,658$129,453
Married Families$115,922$146,752
Non Families$50,932$69,782

King County, Washington Marital Status

King County, Washington Marital Status

Marriage Rates

49.7%

Overall Marriage Rate

50.6%

Male Marriage Rate

48.8%

Female Marriage Rate

King County, Washington Married by Age and Sex

King County, Washington 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.

King County, Washington Marital Status by Race

King County, Washington Veterans

King County, Washington Veterans by War

110,832

Number of Veterans

100,983

Male Veterans

9,849

Female Veterans

Name Veterans
Vietnam39,170
First Gulf War21,408
Second Gulf War15,938
Korea9,873
World War II7,214

King County, Washington Veterans by Age

Name Veterans
35 to 5429,167
65 to 7426,899
75+24,178
55 to 6421,187
18 to 349,401

King County, Washington Veterans by Race

Name Veterans % of Total
White90,6707.92%
Black7,9508.52%
Asian5,4972.05%
Hispanic4,6163.62%
2 or More4,0565.87%
Other1,2022.65%
Indian8277.65%
Hawaiian6305.67%

King County, Washington Veterans by Education

7.07%

Veteran Poverty Rate

24.13%

Veteran Disability Rate

King County, Washington Employment Status

King County, Washington Employment by Age

69.5%

Labor Force Participation

65.5%

Employment Rate

5.5%

Unemployment Rate

King County, Washington Employment by Race

King County, Washington Employment by Education

Population of Cities in King County, Washington

City 2010 Census 2016 Estimated Growth Growth Rate
Seattle6086597043529569315.72%
Bellevue1278871414001351310.57%
Kent11859312751489217.52%
Renton9190010095390539.85%
Federal Way893069675774518.34%
Kirkland805858770171168.83%
Auburn 7017277472730010.40%
Sammamish5744163773633211.02%
Redmond5431562458814314.99%
Shoreline530315533323024.34%
Burien480725099729256.08%
Bothell 3986744546467911.74%
Issaquah3044037322688222.61%
Des Moines296733117214995.05%
SeaTac269092887319647.30%
Maple Valley2268625698301213.28%
Mercer Island2269925134243510.73%
Kenmore204692235718889.22%
Covington1756520478291316.58%
Tukwila19107200339264.85%
Lake Forest Park12602132666645.27%
Snoqualmie1067013190252023.62%
Woodinville109411200010599.68%
Enumclaw 11092116545625.07%
Newcastle1036811567119911.56%
Milton 7129797084111.80%
Duvall6713770198814.72%
Pacific 660471225187.84%
North Bend5846673989315.28%
Normandy Park633566513164.99%
Black Diamond415143842335.61%
Clyde Hill298832682809.37%
Medina296732462799.40%
Algona301431561424.71%
Carnation1786199520911.70%
Yarrow Point10011096959.49%
Hunts Point3964394310.86%
Beaux Arts Village299326279.03%
Skykomish19720694.57%
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