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COUNTY · 2010 ACS

King County

Washington · 1,931,249 residents · 2,115.736 sq mi
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The short version

King County is wealthier than most US places, with a median household income of $68,065. Population has held roughly steady since 2000. 45% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value has more than doubled since 2000, reaching $407,700.

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
Population density
913 / sq mi
+11%since 2000
from 821 / sq mi in 2000
US average: 261
Median age
37.1
+4%since 2000
from 35.7 in 2000
US average: 37.2
Population, 1990 – 2024
1.4M1.7M1.9M2.1M2.4M1990201020202024King County
20242.3M
1990201020202024
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%
BARS: THIS PLACE · TICKS: 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
46.3%
−13.5 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%
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
+41%since 2000
from 4.3 in 2000
1990 – 2024
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%
Diversity Score47.8%(830,831)
2010
White, non-Hispanic64.8%(1,251,300)
Black6%(116,326)
Hispanic / Latino8.9%(172,378)
Asian14.5%(280,029)
Other5.5%(105,942)
Diversity Score67.8%(1,308,589)
Diversity Score
68
+42%since 2000
from 48 in 2000
1990 – 2024
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%
−23.8 ptssince 2009
from 71.0% 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%
−40.9 ptssince 2009
from 49.5% in 2009
US average: 9.9%
Drill deeper

Places similar to King County

Orange County
Pop 3,149,507
Alameda County
Pop 1,636,630
Middlesex County
Pop 1,669,979
Suffolk County
Pop 1,546,090
Places similar to King County
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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Explore from here

495 census tracts (top 20 by population)
Census Tract 322.20Census Tract 228.03Census Tract 316.03Census Tract 327.04Census Tract 205Census Tract 324.02Census Tract 296.02Census Tract 300.03Census Tract 289.02Census Tract 323.13Census Tract 230Census Tract 288.02Census Tract 233Census Tract 226.05Census Tract 308.01Census Tract 320.05Census Tract 273Census Tract 86Census Tract 95Census Tract 218.03
86 ZIP codes (top 30 by population)
ZIP 98052ZIP 98115ZIP 98133ZIP 98103ZIP 98034ZIP 98003ZIP 98118ZIP 98023ZIP 98092ZIP 98042ZIP 98105ZIP 98125ZIP 98122ZIP 98058ZIP 98059ZIP 98033ZIP 98032ZIP 98198ZIP 98031ZIP 98006ZIP 98004ZIP 98030ZIP 98002ZIP 98001ZIP 98038ZIP 98155ZIP 98056ZIP 98117ZIP 98168ZIP 98109
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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