CensusEasy
COUNTY · 2020 ACS

King County

Washington · 2,269,675 residents · 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 $99,158. Population has grown 31% since 2000. 53% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $601,100. Households here earn about 29% more than the Washington median.

At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 36.9
US median: 38.8
More educated
53% hold a bachelor's degree
US average: 33%
Less affordable
home values up 77%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
2,269,675
+31%since 2000
from 1,737,034 in 2000
1990 – 2025
Population density
1,073 / sq mi
+31%since 2000
from 821 / sq mi in 2000
US average: 280
Median age
36.9
+3%since 2000
from 35.7 in 2000
US average: 38.8
Population, 1990 – 2024
1.4M1.7M1.9M2.1M2.4M1990201020202024King County
20242.3M
1990201020202024
Section 02

Income & economy

Median household income
$99,158
+24%inflation adjusted, since 2000
from $53,157 in 2000
US average: $66,278
1990 – 2024
Per capita income
$55,374
+88%since 2000
from $29,521 in 2000
US average: $35,364
Households earning $100K+
61.5%
+16.4 ptssince 2009
from 45.1% in 2009
US average: 43.9%
Poverty rate
8.4%
+0.1 ptssince 2000
from 8.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Information12%
US avg: 11.1%
Retail trade8.5%
US avg: 10%
Other services5.9%
US avg: 6.6%
Wholesale trade5.1%
US avg: 6.7%
Finance & insurance5.1%
US avg: 5.5%
Professional, scientific, technical4.5%
US avg: 4.7%
Arts, entertainment, food3.5%
US avg: 2%
Public administration3.5%
US avg: 4.7%
Transportation & warehousing2.6%
US avg: 2.5%
Education & health services0.5%
US avg: 0.8%
Agriculture, forestry, fishing0.4%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$601,100
+77%inflation adjusted, since 2000
from $226,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,695
+49%inflation adjusted, since 2000
from $758 in 2000
US average: $1,124
Owner-occupied
54.0%
−5.8 ptssince 2000
from 59.8% in 2000
46.0% rent
Afford Score
6.1
+42%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)
Segregation Score0%
2020
White, non-Hispanic54.2%(1,230,588)
Black6.5%(147,831)
Hispanic / Latino10.7%(243,021)
Asian19.8%(449,729)
Other7.3%(166,777)
Diversity Score79.4%(1,803,104)
Segregation Score31%(703,082)
Diversity Score
79
+66%since 2000
from 48 in 2000
1990 – 2024
Segregation Score
31
Section 05

Education

Bachelor's degree or higher
53.4%
+13.5 ptssince 2000
from 40.0% in 2000
US average: 32.9%
High school or higher
93.4%
+3.2 ptssince 2000
from 90.3% in 2000
US average: 88.5%
Graduate degree
21.7%
+8.4 ptssince 2000
from 13.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
29.8 min
+69%since 2000
from 17.6 min in 2000
US average: 26.9
Drive alone to work
58.3%
−8.0 ptssince 2009
from 66.3% in 2009
US average: 75.1%
No vehicle available
10.5%
+1.6 ptssince 2009
from 8.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.3%
−2.6 ptssince 2011
from 6.9% in 2011
US average: 5.4%
Labor force participation
70.3%
−0.3 ptssince 2011
from 70.6% in 2011
US average: 63.4%
Management & professional
54.1%
−16.9 ptssince 2009
from 71.0% in 2009
US average: 39.3%
Section 08

People & community

Male
50.2%
+0.3 ptssince 2009
from 49.9% in 2009
Female
49.8%
−0.3 ptssince 2009
from 50.1% in 2009
Foreign born
23.7%
+4.7 ptssince 2009
from 19.0% in 2009
US average: 13.5%
Uninsured
5.3%
−82.8 ptssince 2013
from 88.1% in 2013
US average: 8.8%
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$99,564same
Home value$526,600−12%
Population946,288−60%
SEE FULL COMPARISON →
KING COUNTY VS
Snohomish County
Income$111,246+12%
Home value$696,000+16%
Population870,656−63%
SEE FULL COMPARISON →
KING COUNTY VS
Kitsap County
Income$104,158+5%
Home value$555,100−8%
Population283,374−88%
SEE FULL COMPARISON →
KING COUNTY VS
Kittitas County
Income$73,804−26%
Home value$497,400−17%
Population48,803−98%
SEE FULL COMPARISON →
Frequently asked

How many people live in King County, Washington?

King County, Washington has about 2,269,675 residents according to the 2020 American Community Survey.

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

The typical household in King County, Washington earns about $99,158 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 $601,100, and the typical rent is about $1,695 a month.

How educated are people in King County, Washington?

About 53.4% 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 8.4% 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 762,356 residents, a change of about 51 percent over that period.

Keep going

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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