King County, WA Demographics
What is the population of King County?
There are 2,274,945 residents in King County, with a median age of 38.4. Of this, 50.71% are males and 49.29% are females. US-born citizens make up 73.71% of the resident pool in King County, while non-US-born citizens account for 13.4%. Additionally, 12.88% of the population is represented by non-citizens.
A total of 1,851,607 people in King County currently live in the same house as they did last year.
| Y-o-Y Change | ||
| Total Population | 2,274,945 | 0.6% |
| Male Population | 1,153,632 | 1.0% |
| Female Population | 1,121,313 | 0.2% |
Male Population 50.71%
Female Population 49.29%
| Y-o-Y Change | ||
| Median Age | 38.4 | 0.8% |
| Citizen U.S. Born | 1,676,957 | 0.0% |
| Citizen not U.S. Born | 304,926 | 2.5% |
| Not Citizen | 293,062 | 2.0% |
Citizen U.S. Born 73.71%
Citizen not U.S. Born 13.4%
Not Citizen 12.88%
| Y-o-Y Change | ||
| Moved from Abroad | 29,631 | -3.3% |
| Moved from Same County | 249,486 | -0.9% |
| Moved from Same State | 39,939 | -0.5% |
| Moved from Different State | 81,991 | -0.4% |
| Same House as Last Year | 1,851,607 | 1.0% |
Moved from Abroad 1.32%
Moved from Same County 11.08%
Moved from Same State 1.77%
Moved from Different State 3.64%
Same House as Last Year 82.2%
What are the employment statistics in King County?
White-collar workers make up 86.12% of the working population in King County, while blue-collar employees account for 13.88%. There are also 120,330 entrepreneurs in King County (9.62% of the workforce); 874,241 workers employed in private companies (69.93%); and 143,868 people working in governmental institutions (11.51%).
| Y-o-Y Change | ||
| White Collar | 1,076,647 | 1.0% |
| Blue Collar | 173,547 | -0.6% |
White Collar 86.12%
Blue Collar 13.88%
| Y-o-Y Change | ||
| Self Employees | 120,330 | -1.9% |
| Private Companies | 874,241 | 0.9% |
| Governmental Workers | 143,868 | 1.3% |
| Not for Profit Companies | 111,755 | 2.1% |
Self Employees 9.62%
Private Companies 69.93%
Governmental Workers 11.51%
Not for Profit Companies 8.94%
How many households are there in King County?
There are a total of 924,063 households in King County, each made up of around 2 members. Family establishments represent 58.71% of these King County households, while non-family units account for the remaining 41.29%. Additionally, 27.89% of households have children and 72.11% of households are without children.
| Y-o-Y Change | ||
| Total households | 924,063 | 1.5% |
| Average People per Household | 2 | N/A |
| Family Households | 542,475 | 0.1% |
| Non-Family Households | 381,588 | 3.5% |
Family Households 58.71%
Non-Family Households 41.29%
| Y-o-Y Change | ||
| Households with Children | 257,692 | -0.6% |
| Households without Children | 666,371 | 2.3% |
Households with Children 27.89%
Households without Children 72.11%
What are the median and average incomes in King County?
The average annual household income in King County is $163,490, while the median household income sits at $116,330 per year. Residents aged 25 to 44 earn $134,374, while those between 45 and 64 years old have a median wage of $135,862. In contrast, people younger than 25 and those older than 65 earn less, at $63,610 and $74,823, respectively.
| Y-o-Y Change | ||
| Average Household Income | $163,490 | 10.4% |
| Median Household Income | $116,330 | 8.6% |
| People below Poverty Level | 1 | N/A |
| People above Poverty Level | 2,035,186 | 0.6% |
How many homeowners and renters are there in King County?
There are 981,525 housing units in King County, and the median year in which these properties were built is 1982. Of the 924,063 occupied housing units in King County, 56.32% are owner-occupied, while 43.68% have renters living in them.
Meanwhile, properties bought with mortgages account for 70.57% of the units, and the median value of a home with a mortgage is $796,250. In general, housing costs reach $2,190 per month in King County.
| Y-o-Y Change | ||
| Housing Units | 981,525 | 1.6% |
| Median Year Built | 1982 | 0.1% |
| Built in 1939 or Earlier | 106,914 | -0.4% |
| Built between 1940 and 1949 | 46,024 | -2.2% |
| Built between 1950 and 1959 | 75,495 | -2.1% |
| Built between 1960 and 1969 | 110,050 | -1.1% |
| Built between 1970 and 1979 | 123,342 | -0.7% |
| Built between 1980 and 1989 | 135,492 | 1.3% |
| Built between 1990 and 1999 | 121,945 | -2.2% |
| Built between 2000 and 2009 | 132,308 | 1.9% |
| Built between 2010 and 2019 | 124,678 | 14.2% |
| Built in 2020 or Later | 5,277 | 194.8% |
| Y-o-Y Change | ||
| Occupied Housing Units | 924,063 | 1.5% |
| Owner Occupied | 520,475 | 0.8% |
| Renter Occupied | $403,588 | 2.4% |
Owner Occupied 56.32%
Renter Occupied 43.68%
| Y-o-Y Change | ||
| With Mortgage | 367,325 | -0.2% |
| Without Mortgage | 153,150 | 3.4% |
| Median Value with Mortgage | $796,250 | 20.7% |
| Median Value without Mortgage | $731,500 | 14.7% |
| Median Housing Costs per Month | $2,190 | 8.5% |
With Mortgage 70.57%
Without Mortgage 29.43%
What is the level of education in King County?
Approximately 18.97% of the population in King County holds a high school degree (that's 359,322 residents), while 21.03% have attained a college certificate (398,314 locals) and 29.78% have a bachelor's degree (563,896 people).
| Y-o-Y Change | ||
| No High School | 53,764 | -1.8% |
| Some High School | 359,322 | 0.8% |
| Some College | 398,314 | -1.4% |
| Associate Degree | 142,094 | -0.7% |
| Bachelor's Degree | 563,896 | 1.6% |
| Graduate Degree | 376,379 | 4.4% |
No High School 2.84%
Some High School 18.97%
Some College 21.03%
Associate Degree 7.5%
Bachelor's Degree 29.78%
Graduate Degree 19.87%
What is the marital status of King County residents?
A total of 682,065 people in King County have never been married (which represents 35.49% of the total population), while 962,614 of them are wedded (50.09%). Separated and divorced residents are in smaller numbers, at 23,108 (1.2%) and 182,694 (9.51%), respectively.
| Y-o-Y Change | ||
| Never Married | 682,065 | 2.5% |
| Married | 962,614 | 0.5% |
| Separated | 23,108 | -0.2% |
| Widowed | 71,254 | 0.7% |
| Divorced | 182,694 | 182,694.0% |
Never Married 35.49%
Married 50.09%
Separated 1.2%
Widowed 3.71%
Divorced 9.51%
What are the most common means of transportation in King County?
The top three means of transportation people in King County use to get to work are: car, bus or trolley bus and walking. A total of 747,952 residents commute by car, 95,204 prefer going to work by bus or trolley bus and 56,155 by walking
| Y-o-Y Change | ||
| Car | 747,952 | -4.0% |
| Bus or TrolleyBus | 95,204 | -14.7% |
| Railroad | 2,919 | -56.9% |
| Ferryboat | 1,091 | -19.8% |
| Bicycle | 14,841 | -0.8% |
| Motorcycle | 2,222 | -12.2% |
| TaxiCab | 2,659 | -5.2% |
| Walk | 56,155 | -2.9% |
What is the median and average household income in King County by zipcode?
| ZipCode | Population | Number of Households | Median Income | Average Income |
|---|---|---|---|---|
| 98001 | 35,842 | 12,096 | $103,338.00 | $127,394.00 |
| 98002 | 36,812 | 14,489 | $68,040.00 | $81,661.00 |
| 98003 | 51,329 | 19,332 | $67,547.00 | $86,274.00 |
| 98004 | 39,161 | 18,787 | $157,784.00 | $241,568.00 |
| 98005 | 22,030 | 8,919 | $151,297.00 | $212,891.00 |
| 98006 | 39,753 | 13,903 | $185,991.00 | $239,678.00 |
| 98007 | 27,571 | 11,646 | $118,634.00 | $153,950.00 |
| 98008 | 27,060 | 9,448 | $164,219.00 | $213,509.00 |
| 98010 | 6,128 | 2,374 | $141,579.00 | $169,389.00 |
| 98011 | 27,573 | 11,190 | $124,418.00 | $145,944.00 |
Methodology & Disclaimers
Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2022 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.