King County, Washington's estimated 2023 population is 2,371,204 with a growth rate of 1.45% in the past year according to the most recent United States census data. King County, Washington is the largest county in Washington. The 2010 population was 1,931,249 and has seen a growth of 22.78% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2010 | 1,931,249 | ||
| 2011 | 1,965,092 | 33,843 | 1.75% |
| 2012 | 1,998,935 | 33,843 | 1.72% |
| 2013 | 2,032,778 | 33,843 | 1.69% |
| 2014 | 2,066,621 | 33,843 | 1.66% |
| 2015 | 2,100,464 | 33,843 | 1.64% |
| 2016 | 2,134,307 | 33,843 | 1.61% |
| 2017 | 2,168,150 | 33,843 | 1.59% |
| 2018 | 2,201,993 | 33,843 | 1.56% |
| 2019 | 2,235,836 | 33,843 | 1.54% |
| 2020 | 2,269,675 | 33,839 | 1.51% |
| 2021 | 2,303,518 | 33,843 | 1.49% |
| 2022 | 2,337,361 | 33,843 | 1.47% |
| 2023 | 2,371,204 | 33,843 | 1.45% |
White
Asian
Two or more races
Black or African American
Other race
Native Hawaiian or Pacific Islander
Native American
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 902,308 | 2.44 | 56.6 | 43.4 |
| Married | 427,498 | 3.16 | 75.4 | 24.6 |
| Non Family | 365,876 | 1.38 | 36.9 | 63.1 |
| Female | 71,849 | 3.22 | 49.2 | 50.8 |
| Male | 37,085 | 3.22 | 48.5 | 51.5 |
3.07
Average Family Size
2.44
Average Household Size
56.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
71.11% of King County, Washington residents speak only English, while 28.89% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 16.65% of the population.
rate
8.43%
Overall Poverty Rate
7.64%
Male Poverty Rate
9.23%
Female Poverty Rate
The race most likely to be in poverty in King County, Washington is Black, with 19.7% below the poverty level.
The race least likely to be in poverty in King County, Washington is White, with 6.13% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.1%. Among those working part-time, it was 12.13%, and for those that did not work, the poverty rate was 17.17%.
Married
Widowed
Divorced
Separated
NeverMarried
49.8%
Overall Marriage Rate
50.5%
Male Marriage Rate
49.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5.54%
Veteran Poverty Rate
27.79%
Veteran Disability Rate
LaborForceParticipation
70.2%
Labor Force Participation
66.9%
Employment Rate
4.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
40.05%
Born in King County, Washington
76.88%
Native Born
24.49%
Foreign Born
12.95%
Non Citizen
11.54%
Naturalized
76.88% of King County, Washington residents were born in the United States, with 40.05% having been born in Washington. 12.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.