King County, Washington

Interactive maps and statistics for King County, Washington: income, age, education, housing, health and more, set beside Washington and the United States.

King County, Washington is among the highest in the country for total population (13th of 3,222 counties), and among the highest in the country for median household income (44th of 3,221 counties).

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Key figures

Statistic	King County, Washington	Washington	United States	Rank
Total Population	2,287,171	7,816,116	334,922,499	13th of 3,222
Median Household Income	$124,746	$98,141	$80,734	44th of 3,221
Median Age	37.4	38.3	38.9	2694th of 3,222
Bachelor's Degree or Higher	56.7%	39.6%	35.7%	42nd of 3,222
Median Home Value	$859,900	$564,600	$332,700	23rd of 3,217
Median Gross Rent	$2,092	$1,760	$1,413	33rd of 3,215
Poverty Rate	8.6%	9.9%	12.5%	2745th of 3,222
Unemployment Rate	4.8%	5.1%	5.2%	1407th of 3,222
Population per Square Mile	1,081.0	117.6	n/a	169th of 3,222
Foreign Born	25.8%	15.4%	14.1%	54th of 3,222
Life Expectancy	81.6	n/a	n/a	99th of 3,062
Homeownership Rate	55.4%	63.8%	65.2%	3104th of 3,222
Average Commute Time	27.6	26.6	26.4	887th of 3,221
Worked from Home	29.2%	19.8%	15.1%	20th of 3,222
Uninsured	6.1%	n/a	n/a	2775th of 3,134
Married-Couple Households	46.4%	49.1%	46.9%	2155th of 3,222
Broadband Access	94.0%	n/a	n/a	52nd of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in King County, Washington

Statistic	King County, Washington	Washington	United States
White (non-Hispanic)	52.9%	63.1%	57.4%
Hispanic or Latino (any race)	11.0%	14.4%	19.3%
Black (non-Hispanic)	6.4%	3.8%	11.9%
Asian (non-Hispanic)	20.5%	9.7%	5.9%
Two or More Races (non-Hispanic)	7.3%	6.8%	4.3%
American Indian & Alaska Native (non-Hispanic)	0.4%	0.8%	0.5%
Native Hawaiian & Pacific Islander (non-Hispanic)	0.7%	0.7%	0.2%
Some Other Race (non-Hispanic)	0.6%	0.6%	0.6%
Diversity Index	65.6	56.5	61.4

Age in King County, Washington

Statistic	King County, Washington	Washington	United States
Median Age	37.4	38.3	38.9
Under 18 %	19.5%	21.4%	22.0%
Age 18-24 %	8.0%	8.5%	9.1%
Age 25-34 %	18.3%	15.2%	13.7%
Age 35-44 %	16.0%	14.3%	13.2%
Age 45-64 %	24.1%	24.0%	24.8%
Age 65 and Over %	14.0%	16.6%	17.2%

Households and families in King County, Washington

Statistic	King County, Washington	Washington	United States
Households	941,054	3,064,820	129,227,496
Average Household Size	2.4	2.5	2.5
Family Households	57.5%	63.4%	64.2%
Households with Children	26.8%	29.3%	29.5%
Single-Parent Families	11.1%	14.2%	17.3%
People Living Alone	31.7%	27.7%	28.7%
Never Married	36.6%	32.6%	34.4%

Income and poverty in King County, Washington

Statistic	King County, Washington	Washington	United States
Per Capita Income	$74,100	$53,744	$44,673
Households Under $25,000	9.5%	11.1%	14.6%
Households $50,000 to $74,999	11.1%	14.1%	15.5%
Households $100,000 to $149,999	17.2%	19.2%	17.5%
Households $200,000 or More	29.8%	18.5%	13.4%
Poverty Rate	8.6%	9.9%	12.5%
Below 200% of Poverty	17.6%	22.4%	28.2%
SNAP Households	8.2%	11.5%	n/a

Housing in King County, Washington

Statistic	King County, Washington	Washington	United States
Housing Units	1,003,284	3,306,620	143,775,355
Single-Family Detached Homes	50.0%	61.9%	61.3%
Buildings with 5+ Units	37.6%	22.2%	19.1%
Vacancy Rate	6.2%	7.3%	10.1%
Median Year Structure Built	1,983.0	1,985.0	1,980.0
Renter-Occupied	44.6%	36.2%	34.8%
Rent as % of Household Income	28.6%	30.0%	30.6%
Median Property Tax	$7,114	$4,556	n/a

Education in King County, Washington

Statistic	King County, Washington	Washington	United States
Less than High School	6.2%	7.7%	10.4%
High School Graduate	14.1%	21.6%	26.0%
Some College or Associate Degree	22.9%	31.1%	27.9%
Bachelor's Degree	32.6%	24.0%	21.6%
Graduate or Professional Degree	24.2%	15.6%	14.1%

Work and commuting in King County, Washington

Statistic	King County, Washington	Washington	United States
Labour Force Participation	69.9%	64.5%	63.5%
Drove Alone to Work	50.4%	63.4%	68.8%
Public Transit	6.8%	3.4%	3.2%
Walked to Work	4.3%	3.0%	2.4%
Commutes Under 15 Minutes	19.4%	25.8%	26.0%
Commutes Over an Hour	8.1%	8.8%	8.6%
Households Without a Car	11.2%	7.1%	n/a

Origins and language in King County, Washington

Statistic	King County, Washington	Washington	United States
Born in State of Residence	38.9%	46.4%	57.3%
Naturalised Citizens	12.3%	7.5%	7.4%
Non-Citizens	13.5%	7.9%	6.8%
Speaks Only English at Home	68.9%	78.6%	77.7%
Speaks Spanish at Home	7.1%	9.0%	13.6%
Limited English Proficiency	29.2%	18.9%	16.7%

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