2023 King County, Washington Demographics | Data & Analysis
Ready-to-use reports, analytics, and visualizations covering King County, Washington, including population, race, income, and more. Based on 2023 American Community Survey Estimates.
King County, Washington Key Demographic Statistics (2023 Estimates)
Key demographic statistics for King County, Washington summarized from the U.S. Census Bureau's 2023 American Community Survey (ACS).
Source: U.S. Census Bureau, 2023 American Community Survey (ACS) Estimates
King County, Washington 2023 Population: Age & Gender Distribution
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the total population of King County, Washington is 2,262,713. The median age of the population in King County, Washington is 37.3 years. The median age for males is 36.7 years, and for females it is 38.0 years.
The age distribution of the population in King County, Washington by age group is as follows:
| Age Group | Percentage |
|---|---|
| Under 5 years | 5.32% |
| 5–17 years (children) | 14.44% |
| 18–24 years (young adults) | 8.00% |
| 25–34 years | 18.22% |
| 35–54 years | 28.81% |
| 55–64 years | 11.45% |
| 65 years and over (seniors) | 13.76% |
The total dependency ratio in King County, Washington is 50.42. The youth dependency ratio is 29.72, and the old-age dependency ratio is 20.70. In demographic terms, the dependency ratio measures the size of the population typically not in the labor force (children under 18 and older adults 65+) relative to the working age (18-64) population. A higher ratio indicates a greater financial and social burden on the working population to support the non-working age groups.
What is the Racial and Ethnic Breakdown of King County, Washington?
The racial makeup and ethnic composition (racial demographics) of King County, Washington is detailed below, based on the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates.
The Diversity Index for King County, Washington is calculated at 64.49, suggesting a high level of racial and ethnic diversity. This index measures the probability that two people chosen at random will be from different racial or ethnic groups.
The following table provides the breakdown of the population of King County, Washington by race and ethnicity:
| Racial/Ethnic Group | Percentage |
|---|---|
| White Alone (Non-Hispanic) | 54.34% |
| Asian Alone | 19.76% |
| Hispanic or Latino (Any Race) | 10.84% |
| Two or More Races | 6.93% |
| Black/African American Alone | 6.40% |
| Native Hawaiian or Other Pacific Islander Alone | 0.74% |
| Some Other Race Alone | 0.59% |
| American Indian and Alaska Native Alone | 0.41% |
King County, Washington 2023 Demographics: Household Income Distribution
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the median household income in King County, Washington over the past 12 months, adjusted for 2023 inflation, was $122,148. This figure is based on a total of 927,817 households.
The distribution of household income in King County, Washington across various income brackets is as follows:
| Income Range | Percentage of Households |
|---|---|
| Less than $20,000 | 7.59% |
| $20,000 to $34,999 | 5.87% |
| $35,000 to $49,999 | 6.38% |
| $50,000 to $74,999 | 11.53% |
| $75,000 to $149,999 | 27.92% |
| $150,000 or more | 40.71% |
King County, Washington 2023 Demographics: Property Value Distribution
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the distribution of property values for owner-occupied housing units in King County, Washington is based on a total of 520,391 properties.
The property value distribution in King County, Washington across various value brackets is as follows:
| Property Value Range | Percentage of Properties |
|---|---|
| Less than $25,000 | 1.04% |
| $25,000 to $49,999 | 0.46% |
| $50,000 to $99,999 | 0.97% |
| $100,000 to $199,999 | 1.41% |
| $200,000 to $499,999 | 16.27% |
| $500,000 to $999,999 | 65.66% |
| $1,000,000 or more | 14.20% |
Educational Attainment in King County, Washington (2023 Data)
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the educational attainment data covers the population 25 years and older in King County, Washington, totaling 1,634,473 individuals.
A significant portion of the population, 93.78%, has attained a high school diploma or higher. Furthermore, the percentage of individuals who hold a Bachelor's Degree or a higher professional/graduate degree is 55.93%.
The detailed breakdown by educational level is presented below:
| Educational Attainment Level | Percentage of Population 25+ |
|---|---|
| Less than high school graduate | 6.22% |
| High school graduate (incl. equivalency) | 14.30% |
| Some college or associate's degree | 23.55% |
| Bachelor's Degree | 32.42% |
| Graduate or professional degree | 23.51% |
What is the Health Insurance Coverage Rate in King County, Washington?
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the health insurance coverage data for King County, Washington shows that 5.2% of the population lacks health insurance coverage. This represents 117,605 individuals out of a total population of 2,249,127 people.
The uninsured rates vary significantly by age group. Young adults (18-34 years) have uninsured rates of 9.4% for males and 6.7% for females. In the 35-64 age bracket, 6.9% of males and 5.7% of females are uninsured.
Children under 18 and seniors aged 65+ generally have higher coverage rates due to public programs like Medicaid/CHIP and Medicare. In King County, Washington, uninsured rates for children are 2.4% for males and 2.4% for females, while seniors have rates of 1.1% for males and 1.2% for females.
| Age Group | Male Uninsured % | Female Uninsured % |
|---|---|---|
| Under 18 | 2.4% | 2.4% |
| 18-34 years | 9.4% | 6.7% |
| 35-64 years | 6.9% | 5.7% |
| 65+ years | 1.1% | 1.2% |
King County, Washington 2023 Population by Nativity and Citizenship Status
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the nativity and citizenship data for King County, Washington shows that 86.8% of the population are U.S. citizens. This includes both native-born and naturalized citizens, representing 1,964,520 individuals out of a total population of 2,262,713 people.
The nativity breakdown reveals diverse origins: 73.0% were born in the United States, 0.2% were born in Puerto Rico or U.S. Island Areas, and 1.6% were born abroad of American parent(s).
Among the foreign-born population, 11.9% of the total population have become naturalized U.S. citizens (270,107 individuals), while 13.2% are non-citizens (298,193 individuals).
| Nativity/Citizenship Status | Percentage |
|---|---|
| Born in the United States | 73.0% |
| Born in Puerto Rico or U.S. Island Areas | 0.2% |
| Born abroad of American parent(s) | 1.6% |
| U.S. citizen by naturalization | 11.9% |
| Not a U.S. citizen | 13.2% |
| Total U.S. Citizens | 86.8% |
King County, Washington 2023 Demographics: Means of Transportation to Work
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the commuting patterns for King County, Washington show that 59.1% of workers commute by car, truck, or van. This represents 720,033 workers out of a total workforce of 1,218,859 people.
Public transportation usage stands at 8.0% (97,519 workers), which includes buses, subways, light rail, commuter trains, and ferries, but excludes taxicabs. Active transportation methods include walking (4.3%) and bicycling (1.1%).
26.2% of workers in King County, Washington report working from home. An additional 1.3% use other means such as taxicabs, motorcycles, or other forms of transportation. These alternative commuting patterns reflect changing work arrangements and transportation preferences in the modern workforce.
| Transportation Method | Percentage | Number of Workers |
|---|---|---|
| Car, truck, or van | 59.1% | 720,033 |
| Public transportation | 8.0% | 97,519 |
| Bicycle | 1.1% | 13,759 |
| Walked | 4.3% | 52,360 |
| Taxicab, motorcycle, or other means | 1.3% | 15,983 |
| Worked from home | 26.2% | 319,205 |
| Total Workers | - | 1,218,859 |
King County, Washington 2023 Demographics: Employment by Class of Worker
According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the civilian employed population aged 16 and over in King County, Washington totals 1,245,153 workers. Of these, 680,270 (54.6%) are male and 564,883 (45.4%) are female.
The employment distribution by class of worker in King County, Washington is as follows:
| Employment Class | Male Workers | Female Workers |
|---|---|---|
| Private For-Profit | 542,215 (43.5%) | 374,586 (30.1%) |
| Private Non-Profit | 39,567 (3.2%) | 73,462 (5.9%) |
| Government (All Levels) | 60,675 (4.9%) | 83,725 (6.7%) |
| • Local Government | 27,983 | 43,831 |
| • State Government | 21,268 | 30,685 |
| • Federal Government | 11,424 | 9,209 |
| Self-Employed | 36,697 (2.9%) | 32,162 (2.6%) |
Class of worker categorizes employed civilians by their employment arrangement. Private sector workers are employed by for-profit or non-profit companies. Government workers include those employed at local, state, or federal levels. Self-employed workers operate their own unincorporated businesses. Understanding the class of worker distribution provides insights into the economic structure and employment diversity of King County, Washington.
Frequently Asked Questions (FAQs)
The age breakdown for the population of King County, Washington is detailed below, showing the percentage of the total population for each group:
| Age Group | Percentage |
|---|---|
| Under 5 years | 5.32% |
| 5–17 years (children) | 14.44% |
| 18–24 years (young adults) | 8.00% |
| 25–34 years | 18.22% |
| 35–54 years | 28.81% |
| 55–64 years | 11.45% |
| 65 years and over (seniors) | 13.76% |