King County, Washington Population 2024

2,277,449

King County, Washington's estimated 2024 population is 2,277,449 with a growth rate of 0.27% in the past year according to the most recent United States census data. King County, Washington is the largest county in Washington. The 2010 population was 1,938,431 and has seen a growth of 17.49% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20292,307,7946,0690.26%
20282,301,7256,0690.26%
20272,295,6566,0690.27%
20262,289,5876,0690.27%
20252,283,5186,0690.27%
20242,277,4496,0690.27%
20232,271,3806,0690.27%
20222,265,31112,3310.55%
20212,252,980-21,302-0.94%
20202,274,28224,6291.09%
20192,249,65321,1650.95%
20182,228,48823,4871.07%
20172,205,00137,1381.71%
20162,167,86340,4911.9%
20152,127,37241,1981.97%
20142,086,17438,2071.87%
20132,047,96736,2591.8%
20122,011,70837,2091.88%
20111,974,49936,0681.86%
20101,938,43100%
19901,507,319237,57018.71%
19801,269,749113,1169.78%
19701,156,633221,61923.7%
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%
1860302-2,307,492-99.99%
2024 Growth Rate
0.27% (6,069)
County Website
King County
County Seat
Seattle
2020 Population
2,274,282
Area
2116 mi²
Density
1076 people/mi²
Growth Since 2020
0.14% (3,167)
Founded
December 22, 1852

Population by Race

Race
Population
Percentage (of total)
White1,325,67358.8%
Asian437,54019.41%
Two or more races210,4839.34%
Black or African American146,9986.52%
Other race102,2694.54%
Native Hawaiian or Pacific Islander16,7120.74%
Native American14,6960.65%

White

Asian

Two or more races

Black or African American

Other race

Native Hawaiian or Pacific Islander

Native American

King County, Washington Population by Race

King County, Washington Population Pyramid 2024

King County, Washington Median Age

37.2

Total

36.6

Male

37.9

Female

King County, Washington Adults

There are 1,809,050 adults, (306,055 of whom are seniors) in King County, Washington.

King County, Washington Age Dependency

50

Age Dependency Ratio

20.4

Old Age Dependency Ratio

29.6

Child Dependency Ratio

King County, Washington Sex Ratio

Female1,110,77849.27%
Male1,143,59350.73%

King County, Washington Population by Age

King County, Washington Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All916,2702.4256.243.8
Married429,9563.1475.824.2
Non Family378,9781.3736.263.8
Female71,5753.2447.752.3
Male35,7613.1449.250.8

3.06

Average Family Size

2.42

Average Household Size

56.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

King County, Washington Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade49,1623.03%
Associates Degree125,6547.74%
Bachelors Degree519,11031.99%
Graduate Degree370,83922.85%
High School Graduate238,29614.69%
Less Than 9th Grade51,5873.18%
Some College267,98816.52%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

King County, Washington Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White978,534953,461568,494
Asian321,565292,772208,822
Hispanic129,78098,86839,450
2+ Races110,596102,19252,110
Black95,27985,24028,830
Other Race59,62339,92312,914
Islander10,4958,8461,556
Native American9,4277,9602,239

The highest rate of high school graduation is among white people with a rate of 97.44%.

The highest rate of bachelors degrees is among asian people with a rate of 64.94%.

King County, Washington Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$87,204$108,583$69,084
Graduate Degree$116,347$147,189$91,434
High School Graduate$44,236$50,035$36,762
Less Than 9th Grade$36,510$41,629$29,152
Overall$71,082$84,592$58,452
Some College$52,272$59,431$44,908

$71,082

Average Earnings

$84,592

Average Male

$58,452

Average Female

King County, Washington Earnings by Educational Attainment

King County, Washington Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

King County, Washington Language

70.64% of King County, Washington residents speak only English, while 29.36% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 12.62% of the population.

King County, Washington Language

King County, Washington Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White1,243,81278,1386.28%
Asian432,34634,8398.06%
Hispanic225,23829,47513.09%
Black144,58326,68718.46%
Multiple207,20722,43210.83%
Other100,97014,31414.18%
Native14,1122,53717.98%
Islander16,4761,80210.94%

8.45%

Overall Poverty Rate

7.59%

Male Poverty Rate

9.33%

Female Poverty Rate

Poverty in King County, Washington

The race most likely to be in poverty in King County, Washington is Black, with 18.46% below the poverty level.

The race least likely to be in poverty in King County, Washington is White, with 6.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.09%. Among those working part-time, it was 11.77%, and for those that did not work, the poverty rate was 18.12%.

King County, Washington Poverty

rate

Rate
Poverty
Less Than 9th Grade21.15%
High School12.29%
Some College9.04%
Bachelors or Greater3.54%

King County, Washington Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed25.27%
Male Unemployed23.6%
Female Employed4.63%
Male Employed2.98%

King County, Washington Poverty Rate by Employment Status and Sex

King County, Washington Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$146,231$195,164
Households$116,340$161,206
Married Families$169,483$218,963
Non Families$76,281$107,059

mean

median

Income by Household Type

King County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.5%

Overall Marriage Rate

50.2%

Male Marriage Rate

48.7%

Female Marriage Rate

King County, Washington Married by Age and Sex

male

female

King County, Washington 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.

King County, Washington Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

King County, Washington Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

90,263

Number of Veterans

81,831

Male Veterans

8,432

Female Veterans

War
Veterans
Vietnam29,242
Second Gulf War21,751
First Gulf War19,786
Korea5,767
World War II2,142

King County, Washington Veterans by War

count

Age Group
Veterans
35 to 5422,990
75+22,850
65 to 7420,982
55 to 6414,621
18 to 348,820

King County, Washington Veterans by Age

count

Name
Veterans
% of Total
White69,1576.23%
Black6,8326.23%
2+ Races5,6024.23%
Asian5,5741.55%
Hispanic4,3662.8%
Other Race1,5882.2%
Islander8366.85%
Native American6746.14%

King County, Washington Veterans by Race

King County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.09%

Veteran Poverty Rate

28.22%

Veteran Disability Rate

King County, Washington Veterans by Education

LaborForceParticipation

70%

Labor Force Participation

66.7%

Employment Rate

4.5%

Unemployment Rate

King County, Washington Employment by Age

LaborForceParticipation

King County, Washington Employment by Race

LaborForceParticipation

King County, Washington Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

39.28%

Born in King County, Washington

75.45%

Native Born

24.55%

Foreign Born

12.95%

Non Citizen

11.59%

Naturalized

Place of Birth

75.45% of King County, Washington residents were born in the United States, with 39.28% having been born in Washington. 12.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

King County, Washington Place of Birth

Sources