King County, Washington demographics

Population: 2,240,876
Median age: 37.1

Median household income: 106,326

Demographics, population, home values, social and economic characteristics of King County, Washington.

Population

20212,240,876
20202,225,064
20192,195,502
20182,163,257
20172,118,119
20162,079,550
20152,045,756
20142,008,997
20131,974,567
20121,940,777
20111,908,379
20101,879,189
20091,858,788

King County, WA cities

Algona city - 3,271

Ames Lake CDP - 1,264

Auburn city - 85,306

Baring CDP - 188

Beaux Arts Village town - 325

Bellevue city - 149,365

Black Diamond city - 5,002

Bothell city - 47,355

Boulevard Park CDP - 4,544

Bryn Mawr-Skyway CDP - 17,620

Burien city - 51,646

Carnation city - 2,219

Clyde Hill city - 3,118

Cottage Lake CDP - 22,779

Covington city - 20,608

Des Moines city - 32,631

Duvall city - 8,007

East Renton Highlands CDP - 12,392

Enumclaw city - 12,544

Fairwood CDP - 18,477

Fall City CDP - 2,187

Federal Way city - 99,792

Hobart CDP - 7,201

Hunts Point town - 324

Issaquah city - 39,057

Kenmore city - 23,556

Kent city - 134,890

Kirkland city - 91,656

Lake Forest Park city - 13,529

Lake Holm CDP - 3,293

Lake Marcel-Stillwater CDP - 1,465

Lake Morton-Berrydale CDP - 10,709

Lakeland North CDP - 14,161

Lakeland South CDP - 12,696

Maple Heights-Lake Desire CDP - 3,370

Maple Valley city - 27,643

Medina city - 2,928

Mercer Island city - 25,506

Milton city - 8,501

Mirrormont CDP - 4,196

Newcastle city - 12,855

Normandy Park city - 6,716

North Bend city - 7,393

Pacific city - 7,130

Ravensdale CDP - 671

Redmond city - 72,166

Renton city - 105,313

Riverbend CDP - 2,377

Sammamish city - 66,532

SeaTac city - 30,867

Seattle city - 726,054

Shadow Lake CDP - 2,200

Shoreline city - 58,213

Skykomish town - 104

Snoqualmie city - 13,718

Tukwila city - 21,545

Union Hill-Novelty Hill CDP - 23,060

Vashon CDP - 10,886

White Center CDP - 15,716

Wilderness Rim CDP - 2,270

Woodinville city - 13,247

Yarrow Point town - 1,365

Census data for King County, Washington

Demographic and housing estimates in King County, Washington

Total population
Total population2,240,876
Male1,132,224
Female1,108,652
Population by age
Total population2,240,876
Under 5 years125,112
5 to 9 years126,721
10 to 14 years127,726
15 to 19 years121,021
20 to 24 years131,553
25 to 34 years406,305
35 to 44 years346,600
45 to 54 years296,314
55 to 59 years138,014
60 to 64 years126,958
65 to 74 years180,428
75 to 84 years75,985
85 years and over38,139
Median age (years)37.1
Under 18 years452,490
16 years and over1,836,285
18 years and over1,788,386
21 years and over1,716,636
62 years and over368,965
65 years and over294,552
Population by race
Total population2,240,876
One race2,049,652
   White1,356,265
   Black or African American144,474
   American Indian and Alaska Native13,687
   Asian420,434
   Native Hawaiian and Other Pacific Islander16,370
   Some other race98,422
Two or more races191,224
Citizen, voting age population
Citizen, VOTING AGE 18 and over population1,531,346
Male Citizen, VOTING AGE 18 and over population765,794
Female Citizen, VOTING AGE 18 and over population765,552

Social characteristics in King County, Washington

Households by type
Total households902,308
Family households (families)427,498
Married-couple family72,530
Male householder, no wife present, family185,641
Female householder, no husband present, family132,448
Nonfamily households216,639
Average household size208,901
Average family size2.44

Economic characteristics in King County, Washington

Income and benefits (in inflation-adjusted dollars)
Total households902,308
Less than $10,00033,957
$10,000 to $14,99921,376
$15,000 to $24,99939,624
$25,000 to $34,99942,036
$35,000 to $49,99968,301
$50,000 to $74,999120,400
$75,000 to $99,999101,176
$100,000 to $149,999168,871
$150,000 to $199,999110,214
$200,000 or more196,353
Median household income (dollars)106,326

Housing characteristics in King County, Washington

Housing occupancy
Total housing units957,123
Occupied housing units902,308
Vacant housing units54,815
Units in structure
Total housing units957,123
1-unit, detached501,145
1-unit, attached48,248
2 units16,387
3 or 4 units37,496
5 to 9 units56,203
10 to 19 units65,140
20 or more units216,734
Mobile home15,054
Boat, RV, van, etc.716
Year structure built
Total housing units957,123
Built 2014 or later1,790
Built 2010 to 2013108,193
Built 2000 to 2009126,637
Built 1990 to 1999123,284
Built 1980 to 1989132,536
Built 1970 to 1979123,162
Built 1960 to 1969110,983
Built 1950 to 195976,702
Built 1940 to 194946,807
Built 1939 or earlier107,029
Rooms
Total housing units957,123
1 room59,653
2 rooms68,318
3 rooms121,632
4 rooms150,980
5 rooms122,558
6 rooms118,344
7 rooms94,814
8 rooms83,931
9 rooms or more136,893
Median rooms5.1
Bedrooms
Total housing units957,123
No bedroom67,546
1 bedroom163,576
2 bedrooms228,854
3 bedrooms260,316
4 bedrooms179,836
5 or more bedrooms56,995
Housing tenure
Occupied housing units902,308
Owner-occupied510,552
Renter-occupied391,756
Average household size of owner-occupied unit2.65
Average household size of renter-occupied unit2.17
Year householder moved into unit
Occupied housing units902,308
Moved in 2017 or later120,056
Moved in 2015 to 2016310,903
Moved in 2010 to 2014152,955
Moved in 2000 to 2009161,936
Moved in 1990 to 199983,075
Moved in 1989 and earlier73,383
Value
Owner-occupied units510,552
Less than $50,0008,942
$50,000 to $99,9994,665
$100,000 to $149,9993,635
$150,000 to $199,9996,310
$200,000 to $299,99927,285
$300,000 to $499,999122,114
$500,000 to $999,999235,742
$1,000,000 or more101,859
Median (dollars)651,900
Mortgage status
Owner-occupied units510,552
Housing units with a mortgage363,805
Housing units without a mortgage146,747
Gross rent
Occupied units paying rent382,809
Less than $50017,346
$500 to $99924,945
$1,000 to $1,49980,729
$1,500 to $1,999113,687
$2,000 to $2,49976,507
$2,500 to $2,99935,214
$3,000 or more34,381
Median (dollars)1,801
No rent paid8,947

Demographic data for King County, WA and each city in the county. Lists of cities by population, wealth and poverty in King County, WA.

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