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COUNTY

King County

Washington · 2,344,939 residents (2025 est.) · 2,115.736 sq mi
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The short version

King County is significantly wealthier than the US average, with a median household income of $124,746. Population has grown 32% since 2000. 57% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than tripled since 2000, reaching $859,900. It ranks in the top 1% of US counties for household income. Households here earn about 27% more than the Washington median.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 37.4
US median: 38.9
More educated
57% hold a bachelor's degree
US average: 36%
Less affordable
home values up 108%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

2,287,171
+32%since 2000
from 1,737,034 in 2000
1990 – 2025
1,081 / sq mi
+23%since 2009
from 879 / sq mi in 2009
US average: 281
37.4
+5%since 2000
from 35.7 in 2000
US average: 38.9

PEP 2025 EST:2,344,939 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
1.4M1.7M1.9M2.1M2.4M1990201020202024King County
20242.3M
1990201020202024
Age distribution, 2024
Under 55.2%(119,275)
US avg: 5.6%
5 to 95.4%(124,559)
US avg: 6%
10 to 145.5%(126,267)
US avg: 6.4%
15 to 195.4%(124,446)
US avg: 6.6%
20 to 245.9%(134,628)
US avg: 6.5%
25 to 3418.3%(419,105)
US avg: 13.7%
35 to 4416%(367,010)
US avg: 13.2%
45 to 5412.8%(293,588)
US avg: 12.2%
55 to 6411.3%(257,394)
US avg: 12.7%
65 to 748.4%(191,434)
US avg: 10.2%
75 to 843.9%(89,822)
US avg: 5.1%
85 and over1.7%(39,643)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$124,746
+29%inflation adjusted, since 2000
from $53,157 in 2000
US average: $82,259
1990 – 2024
$74,100
+151%since 2000
from $29,521 in 2000
US average: $44,673
Households earning $100K+
69.5%
+24.5 ptssince 2009
from 45.1% in 2009
US average: 53.3%
8.6%
+0.2 ptssince 2000
from 8.4% in 2000
US average: 12.5%
0.483
+6%since 2010
from 0.456 in 2010
US average: 0.476
Workforce by industry, 2024
Information11.8%
US avg: 10.8%
Retail trade7.9%
US avg: 9.9%
Other services5.9%
US avg: 6.7%
Finance & insurance5.2%
US avg: 5.9%
Wholesale trade5.1%
US avg: 6.9%
Arts, entertainment, food4.8%
US avg: 1.9%
Professional, scientific, technical4.7%
US avg: 5.1%
Public administration3.5%
US avg: 4.8%
Transportation & warehousing1.7%
US avg: 2.2%
Education & health services0.5%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Construction0.5%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$859,900
+108%inflation adjusted, since 2000
from $226,400 in 2000
US average: $376,019
1990 – 2024
$2,092
+52%inflation adjusted, since 2000
from $758 in 2000
US average: $1,442
55.4%
−4.4 ptssince 2000
from 59.8% in 2000
44.6% rent
6.2%
+0.1 ptssince 2009
from 6.1% in 2009
US average: 10.0%
24.2%
−10.9 ptssince 2009
from 35.1% in 2009
US average: 22.9%
45.2%
+0.9 ptssince 2009
from 44.3% in 2009
US average: 47.4%
6.9
+16%since 2009
from 5.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
92
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in King County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic73.4%(1,275,127)
Black5.3%(91,798)
Hispanic / Latino5.5%(95,242)
Asian10.7%(186,615)
Other0%
2024
White, non-Hispanic52.9%(1,210,898)
Black6.4%(147,480)
Hispanic / Latino11%(251,983)
Asian20.5%(469,780)
Other9.1%(207,030)
82
+30%since 2009
from 63 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
29
−5%since 2020
from 31 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican7.1%(161,863)
Central American1.3%(30,062)
South American1%(22,189)
Salvadoran0.5%(11,429)
Puerto Rican0.4%(10,206)
Spaniard0.4%(8,673)
Guatemalan0.3%(7,655)
Honduran0.3%(6,374)
Colombian0.3%(5,934)
Peruvian0.2%(4,519)
Cuban0.2%(3,864)
Venezuelan0.1%(3,330)
+ 10 more hispanic origin groups with data
Chilean0.1%(2,968)
Argentine0.1%(2,200)
Ecuadorian0.1%(1,971)
Nicaraguan0.1%(1,847)
Panamanian0.1%(1,722)
Dominican0.1%(1,281)
Bolivian0%(747)
Uruguayan0%(279)
Paraguayan0%(214)
Asian origin
Chinese5.7%(129,946)
Asian Indian5%(114,638)
Filipino2.3%(53,047)
Vietnamese2.2%(49,605)
Korean1.6%(35,900)
Japanese0.9%(20,140)
Taiwanese0.4%(10,248)
Cambodian0.3%(7,657)
Pakistani0.2%(4,739)
Kazakh0.2%(4,708)
Thai0.2%(4,073)
Laotian0.2%(3,815)
+ 13 more asian origin groups with data
Burmese0.1%(2,195)
Nepalese0.1%(1,869)
Indonesian0.1%(1,814)
Hmong0.1%(1,692)
Mongolian0.1%(1,297)
Mien0%(943)
Sri Lankan0%(614)
Malaysian0%(515)
Bhutanese0%(168)
Uzbek0%(139)
Okinawan0%(74)
Pacific Islander origin
Samoan0.4%(9,480)
Native Hawaiian0.4%(8,269)
Chamorro0.2%(3,683)
Marshallese0.1%(1,755)
Fijian0.1%(1,402)
Tongan0.1%(1,279)
Guamanian0%(316)
Chuukese0%(270)
Ancestry
German12%(273,985)
English11%(250,637)
Irish8.6%(196,924)
Italian3.4%(78,729)
Norwegian3.4%(78,124)
Subsaharan African2.9%(65,856)
American2.5%(56,622)
Swedish2.4%(54,713)
Scottish2.3%(53,214)
French2.2%(51,429)
Polish1.9%(42,882)
Russian1.3%(30,574)
+ 51 more ancestry groups with data
Ukrainian1.2%(26,485)
Dutch1.1%(25,672)
Scotch-Irish0.9%(20,537)
Ethiopian0.9%(19,834)
Arab0.8%(18,439)
British0.7%(17,097)
Welsh0.7%(17,065)
Danish0.7%(15,776)
Somali0.6%(13,378)
Finnish0.5%(10,394)
Iranian0.4%(10,136)
French Canadian0.4%(9,840)
Swiss0.4%(9,655)
Czech0.4%(9,520)
Romanian0.4%(9,216)
Canadian0.4%(9,002)
Greek0.4%(8,855)
Portuguese0.4%(8,621)
Hungarian0.3%(7,771)
Austrian0.3%(6,518)
Turkish0.3%(6,280)
West Indian0.3%(6,064)
Kenyan0.2%(5,635)
Brazilian0.2%(5,074)
Croatian0.2%(4,876)
Lithuanian0.2%(4,677)
Iraqi0.2%(4,084)
Lebanese0.2%(3,788)
Nigerian0.2%(3,643)
Armenian0.2%(3,447)
Egyptian0.1%(2,911)
Bulgarian0.1%(2,769)
Belgian0.1%(2,450)
Slovak0.1%(2,366)
Jamaican0.1%(2,102)
Israeli0.1%(1,884)
Australian0.1%(1,836)
Latvian0.1%(1,763)
Serbian0.1%(1,428)
Haitian0.1%(1,286)
Ghanaian0.1%(1,284)
Syrian0.1%(1,250)
Slovene0.1%(1,207)
Palestinian0.1%(1,149)
Moroccan0%(1,106)
Jordanian0%(937)
Macedonian0%(369)
Guyanese0%(333)
Barbadian0%(70)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest Mexican population · Largest Chinese population
Section 05

Education

56.7%
+16.8 ptssince 2000
from 40.0% in 2000
US average: 35.6%
High school or higher
93.8%
+3.5 ptssince 2000
from 90.3% in 2000
US average: 89.6%
24.2%
+10.8 ptssince 2000
from 13.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

27.6 min
+57%since 2000
from 17.6 min in 2000
US average: 26.5
50.4%
−15.9 ptssince 2009
from 66.3% in 2009
US average: 68.9%
7.0%
−4.1 ptssince 2009
from 11.1% in 2009
US average: 8.5%
6.8%
−4.1 ptssince 2009
from 10.9% in 2009
US average: 3.2%
29.2%
+23.9 ptssince 2009
from 5.2% in 2009
US average: 15.0%
4.3%
+0.1 ptssince 2009
from 4.2% in 2009
US average: 2.4%
1.1%
−0.1 ptssince 2009
from 1.2% in 2009
US average: 0.4%
11.2%
+2.3 ptssince 2009
from 8.9% in 2009
US average: 8.3%
Section 07

Work & employment

4.8%
−2.1 ptssince 2011
from 6.9% in 2011
US average: 5.2%
69.9%
−0.7 ptssince 2011
from 70.6% in 2011
US average: 63.5%
11.4%
−0.3 ptssince 2009
from 11.8% in 2009
US average: 13.1%
58.5%
−12.5 ptssince 2009
from 71.0% in 2009
US average: 42.5%
Section 08

People & community

50.7%
+0.8 ptssince 2009
from 49.9% in 2009
49.3%
−0.8 ptssince 2009
from 50.1% in 2009
25.8%
+6.8 ptssince 2009
from 19.0% in 2009
US average: 14.1%
4.5%
−45.0 ptssince 2009
from 49.5% in 2009
US average: 6.2%
10.3%
+1.1 ptssince 2012
from 9.2% in 2012
US average: 13.3%
5.2%
−82.9 ptssince 2013
from 88.1% in 2013
US average: 8.4%
95.1%
+6.6 ptssince 2017
from 88.5% in 2017
US average: 91.0%
68.9%
−4.6 ptssince 2016
from 73.5% in 2016
US average: 77.7%
7.1%
+0.5 ptssince 2016
from 6.6% in 2016
US average: 13.6%
Marital status
Men 15+
Never married39.9%(386,708)
Married51%(494,337)
Widowed1.7%(16,015)
Divorced7.5%(72,703)
Women 15+
Never married33.3%(315,531)
Married49.8%(471,566)
Widowed5.8%(55,284)
Divorced11.1%(104,926)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in King County, Washington?

King County, Washington has about 2,287,171 residents according to the 2024 American Community Survey.

What is the median household income in King County, Washington?

The typical household in King County, Washington earns about $124,746 a year. Half of households make more than that, and half make less.

Is King County, Washington expensive?

In King County, Washington, the median home is worth about $859,900, and the typical rent is about $2,092 a month.

How educated are people in King County, Washington?

About 56.7% of adults age 25 and over in King County, Washington hold a bachelor's degree or higher.

What is the poverty rate in King County, Washington?

About 8.6% of people in King County, Washington live below the federal poverty line.

Has King County, Washington grown since 1990?

Yes, King County, Washington has grown since 1990. The population has added about 779,852 residents, a change of about 52 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →