King County, Washington

WA · FIPS 53033 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 2,287,171 #13 / 3,222
100th
Median Household Income $124,746 +66.0% #44 / 3,222
99th
Median Age 37.4 years -3.9% #2,694 / 3,222
16th
Median Home Value $859,900 +205.0% #23 / 3,222
99th
Median Gross Rent $2,092 +79.9% #33 / 3,222
99th
Poverty Rate 8.6% -31.8% #486 / 3,222
85th

Demographics

King County has a population of 2,287,171, making it the #13 most populous county in the US. The median age is 37.4 years, which is 3.9% below the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

74.2%
Native Born
25.8%
Foreign Born

Household Type

Economy

The median household income in King County is $124,746, ranking #44 out of 3,222 counties — 66.0% above the national median. The poverty rate is 8.6% and unemployment stands at 4.8%.

Median Household Income
$124,746 +66.0% vs nat'l
Rank #44 of 3,222
99th percentile
Per Capita Income
$74,100 +79.6% vs nat'l
Rank #19 of 3,222
99th percentile
Poverty Rate
8.6% −31.8% vs nat'l
Rank #486 of 3,222
85th percentile
Unemployment Rate
4.8% −8.9% vs nat'l
Rank #1,902 of 3,222
41th percentile
Bachelor's Degree or Higher
56.7% +68.3% vs nat'l
Rank #42 of 3,222
99th percentile
Mean Commute Time
30.6 min +10.8% vs nat'l
Rank #788 of 3,222
76th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in King County is $859,900 (+205.0% vs national). Renters pay a median of $2,092/mo and the homeownership rate is 55.4%.

Median Home Value
$859,900 +205.0% vs nat'l
Rank #23 of 3,222
99th percentile
Median Gross Rent
$2,092 +79.9% vs nat'l
Rank #33 of 3,222
99th percentile
Homeownership Rate
55.4% −13.9% vs nat'l
Rank #3,102 of 3,222
4th percentile
55.4% Homeownership

Median Home Value Trend

Rankings →

Health

94.8% of residents in King County have health insurance coverage, which is 3.3% above the national rate.

94.8% Health Insurance
Health Insurance Coverage
94.8% +3.3% vs nat'l
Rank #749 of 3,222
77th percentile

About King County, Washington

King County, Washington has a total population of 2,287,171, making it the 13th most populous county in the United States. The median age in King County is 37.4 years, which is 3.9% below the national median of 38.9 years.

The median household income in King County is $124,746, which ranks #44 of 3,222 counties nationwide. This is 66.0% above the national median of $75,149. The poverty rate is 8.6%, lower than the national rate of 12.6%. The unemployment rate stands at 4.8%.

The median home value in King County is $859,900, 205.0% above the national median. Renters in King County pay a median gross rent of $2,092 per month. The homeownership rate is 55.4%, compared to the national rate of 64.4%.

In King County, 56.7% of residents aged 25 and older hold a bachelor's degree or higher, 68.3% above the national average of 33.7%. Health insurance coverage stands at 94.8% of the population. The average commute time for workers is 30.6 min.

King County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 52.9% of the population, followed by Asian (non-Hispanic) (20.5%) and Hispanic or Latino (11.0%).

All data for King County, Washington comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.