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COUNTY · 2010 ACS

King County

Washington · 1,931,249 residents · 2,116 sq mi
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The short version

King County is a county of 1,931,249 people in Washington. 45% of adults hold a bachelor's degree, against 28% nationally. Home values have more than doubled since 2000, reaching $407,700. 20% of people here were born outside the United States. That is roughly 19% ahead of the Washington median. Households take in $68,065 a year at the median, 29% more than the country as a whole.

At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 37.1
US median: 37.2
More educated
45% hold a bachelor's degree
US average: 28%
Less affordable
home values up 42%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
1,931,249
+11%since 2000
from 1,737,034 in 2000
1990 – 2025
Median age
37.1
+4%since 2000
from 35.7 in 2000
US average: 37.2
Land area
2,116 sq mi
Population, 1990 – 2024
1.4M1.7M1.9M2.1M2.4M19902000201020202024King County
20242.3M
1990201020202024
Age distribution, 2010
Under 56.2%(120,294)
US avg: 6.5%
5 to 95.9%(113,295)
US avg: 6.6%
10 to 145.7%(110,789)
US avg: 6.7%
15 to 196.1%(117,514)
US avg: 7.1%
20 to 246.7%(129,822)
US avg: 7%
25 to 3416.2%(312,717)
US avg: 13.3%
35 to 4415.4%(296,790)
US avg: 13.3%
45 to 5415.1%(291,132)
US avg: 14.6%
55 to 6411.8%(228,217)
US avg: 11.8%
65 to 745.8%(112,747)
US avg: 7%
75 to 843.3%(64,148)
US avg: 4.2%
85 and over1.7%(33,784)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$68,065
+1%inflation adjusted, since 2000
from $53,157 in 2000
US average: $52,703
1990 – 2024
Per capita income
$38,211
+29%since 2000
from $29,521 in 2000
US average: $27,286
Households earning $100K+
45.8%
+0.7 ptssince 2009
from 45.1% in 2009
US average: 33.3%
Poverty rate
10.2%
+1.8 ptssince 2000
from 8.4% in 2000
US average: 13.8%
Income inequality (Gini)
0.456
US average: 0.461
Workforce by industry, 2010
Retail trade11.1%
US avg: 10.9%
Information10.7%
US avg: 11.5%
Other services7.1%
US avg: 7%
Wholesale trade6%
US avg: 7.2%
Finance & insurance4.9%
US avg: 5.1%
Public administration4.4%
US avg: 4.9%
Professional, scientific, technical4.4%
US avg: 4.2%
Arts, entertainment, food4.1%
US avg: 2.4%
Transportation & warehousing3.3%
US avg: 3.1%
Education & health services0.5%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.9%
Construction0.5%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$407,700
+42%inflation adjusted, since 2000
from $226,400 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$999
+4%inflation adjusted, since 2000
from $758 in 2000
US average: $853
Owner-occupied
59.1%
−0.7 ptssince 2000
from 59.8% in 2000
40.9% rent
Vacancy rate
6.4%
+0.3 ptssince 2009
from 6.1% in 2009
US average: 12.1%
Persons per household
2.36 people
−1%since 2009
from 2.38 people in 2009
US average: 2.60
Owner cost-burdened
35.6%
+0.4 ptssince 2009
from 35.1% in 2009
US average: 30.9%
Renter cost-burdened
44.7%
+0.5 ptssince 2009
from 44.3% in 2009
US average: 46.8%
Afford Score
6.0
+1%since 2009
from 5.9 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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%
2010
White, non-Hispanic64.8%(1,251,300)
Black6%(116,326)
Hispanic / Latino8.9%(172,378)
Asian14.5%(280,029)
Other5.5%(105,942)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican6.1%(114,828)
Central American0.7%(12,812)
South American0.5%(9,088)
Puerto Rican0.3%(5,033)
Salvadoran0.3%(4,766)
Spaniard0.2%(3,925)
Guatemalan0.2%(3,371)
Peruvian0.1%(2,550)
Honduran0.1%(2,455)
Colombian0.1%(2,408)
Cuban0.1%(2,401)
Argentine0.1%(1,015)
+ 10 more hispanic origin groups with data
Venezuelan0%(873)
Nicaraguan0%(845)
Ecuadorian0%(791)
Chilean0%(771)
Panamanian0%(635)
Dominican0%(310)
Bolivian0%(277)
Paraguayan0%(105)
Uruguayan0%(66)
Ancestry
German17.1%(321,185)
English11.6%(218,182)
Irish11.1%(209,226)
Norwegian5.5%(103,007)
Italian3.8%(71,250)
Swedish3.7%(69,860)
French3.4%(63,160)
Scottish3.3%(61,180)
American2.9%(53,861)
Scotch-Irish2.3%(42,412)
Polish2.2%(41,727)
Subsaharan African1.9%(36,148)
+ 51 more ancestry groups with data
Dutch1.9%(35,218)
Russian1.7%(31,794)
Danish1.1%(21,021)
Welsh1.1%(20,842)
British0.9%(17,292)
Ukrainian0.8%(15,440)
French Canadian0.7%(13,789)
Swiss0.6%(10,648)
Czech0.6%(10,553)
Finnish0.5%(10,025)
Canadian0.5%(9,942)
Greek0.5%(9,813)
Ethiopian0.5%(9,560)
Hungarian0.5%(8,869)
Somali0.4%(8,206)
Arab0.4%(8,063)
Austrian0.4%(7,264)
Romanian0.4%(6,737)
Portuguese0.3%(5,753)
Iranian0.3%(5,332)
Lithuanian0.3%(4,977)
Croatian0.3%(4,718)
Armenian0.2%(3,327)
Turkish0.2%(3,310)
Belgian0.2%(3,140)
West Indian0.2%(3,064)
Lebanese0.2%(2,824)
Slovak0.1%(2,688)
Brazilian0.1%(1,746)
Latvian0.1%(1,728)
Australian0.1%(1,648)
Bulgarian0.1%(1,499)
Kenyan0.1%(1,418)
Egyptian0.1%(1,183)
Nigerian0.1%(1,181)
Jamaican0.1%(1,128)
Serbian0.1%(1,092)
Slovene0.1%(1,064)
Israeli0%(869)
Haitian0%(736)
Syrian0%(508)
Iraqi0%(246)
Moroccan0%(230)
Ghanaian0%(230)
Jordanian0%(196)
Barbadian0%(180)
Macedonian0%(115)
Guyanese0%(55)
Section 05

Education

Bachelor's degree or higher
45.2%
+5.3 ptssince 2000
from 40.0% in 2000
US average: 27.9%
High school or higher
91.9%
+1.6 ptssince 2000
from 90.3% in 2000
US average: 84.9%
Graduate degree
16.4%
+3.1 ptssince 2000
from 13.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
26.6 min
+51%since 2000
from 17.6 min in 2000
US average: 25.2
Drive alone to work
65.7%
−0.6 ptssince 2009
from 66.3% in 2009
US average: 76.2%
Carpooled to work
11.1%
Unchangedsince 2009
from 11.1% in 2009
US average: 10.4%
Public transit
11.0%
+0.2 ptssince 2009
from 10.9% in 2009
US average: 4.7%
Worked from home
5.5%
+0.2 ptssince 2009
from 5.2% in 2009
US average: 4.1%
Walked to work
4.4%
+0.2 ptssince 2009
from 4.2% in 2009
US average: 2.8%
Biked to work
1.3%
+0.1 ptssince 2009
from 1.2% in 2009
US average: 0.5%
No vehicle available
9.0%
+0.1 ptssince 2009
from 8.9% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
11.9%
+0.1 ptssince 2009
from 11.8% in 2009
US average: 12.9%
Management & professional
47.2%
+0.7 ptssince 2009
from 46.6% in 2009
US average: 35.2%
Section 08

People & community

Male
49.8%
−0.1 ptssince 2009
from 49.9% in 2009
Female
50.2%
+0.1 ptssince 2009
from 50.1% in 2009
Foreign born
19.8%
+0.8 ptssince 2009
from 19.0% in 2009
US average: 12.8%
Veterans
8.6%
−0.5 ptssince 2009
from 9.1% in 2009
US average: 9.9%
Marital status (2024)
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
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
5.2%
−6.7 ptssince 2013
from 11.9% in 2013
US average: 8.4%
Employer-based
66.5%
+0.4 ptssince 2020
from 66.1% in 2020
US average: 54.8%
Direct-purchase
12.7%
−0.6 ptssince 2020
from 13.3% in 2020
US average: 13.8%
Medicare
14.1%
+0.4 ptssince 2020
from 13.7% in 2020
US average: 18.4%
Medicaid
15.4%
+0.5 ptssince 2020
from 14.9% in 2020
US average: 20.9%
VA health care
1.2%
−0.1 ptssince 2020
from 1.3% in 2020
US average: 2.2%
Any private
76.7%
−0.8 ptssince 2020
from 77.5% in 2020
US average: 67.1%
Any public
27.5%
+0.9 ptssince 2020
from 26.6% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)26.3%(21,747)
US avg: 26.4%
Gulf War (1990s)22%(18,189)
US avg: 24.3%
Vietnam era31.7%(26,245)
US avg: 33.1%
Korean War5.2%(4,327)
US avg: 4.5%
World War II1.4%(1,150)
US avg: 1%

Share of the 82,668 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare King County to nearby counties

KING COUNTY VS
Pierce County
Income$99,564+46%
Home value$526,600+29%
Population946,288−60%
SEE FULL COMPARISON →
KING COUNTY VS
Snohomish County
Income$111,246+63%
Home value$696,000+71%
Population870,656−63%
SEE FULL COMPARISON →
KING COUNTY VS
Kitsap County
Income$104,158+53%
Home value$555,100+36%
Population283,374−88%
SEE FULL COMPARISON →
KING COUNTY VS
Kittitas County
Income$73,804+8%
Home value$497,400+22%
Population48,803−98%
SEE FULL COMPARISON →
Frequently asked

How many people live in King County, Washington?

King County, Washington has about 1,931,249 residents according to the 2010 American Community Survey.

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

The typical household in King County, Washington earns about $68,065 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 $407,700, and the typical rent is about $999 a month.

How educated are people in King County, Washington?

About 45.2% 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 10.2% 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 423,930 residents, a change of about 28 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 →