Maple Valley, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Maple Valley, Washington had a total population of 28,287, the 46th largest city in Washington, with a median household income of $152,885, which is 56% higher than the state average. The poverty rate is 4.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 56% above the state average — one of the wealthiest communities in Washington.
- An exceptionally low poverty rate of 4.8% — among the lowest in Washington.
Maple Valley Quick Facts
How Maple Valley Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 28,121 | 28,287 | +0.6% |
| Median household income | $147,546 | $152,885 | +3.6% |
| Median home value | $672,000 | $724,700 | +7.8% |
How Maple Valley Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Maple Valley Rankings in Washington
Explore Washington Rankings
Other Cities in King County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Seattle | 754,195 | $123,860 | 9.9% | $938,600 |
| Bellevue | 151,847 | $165,576 | 7.2% | $1,340,300 |
| Kent | 135,603 | $92,302 | 10.8% | $587,800 |
| Renton | 105,317 | $100,432 | 8.1% | $672,600 |
| Federal Way | 99,493 | $86,909 | 13.0% | $552,800 |
| Kirkland | 92,621 | $150,414 | 6.1% | $1,115,400 |
| Auburn | 85,676 | $97,884 | 8.9% | $547,900 |
| Redmond | 77,353 | $162,560 | 5.6% | $1,167,800 |
| Sammamish | 66,463 | $239,690 | 4.3% | $1,407,300 |
| Shoreline | 61,431 | $112,751 | 8.8% | $811,100 |
Cities Similar to Maple Valley
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Camas | 27,007 | $141,126 | $711,700 | 54.8% | 5.0% |
| Bainbridge Island | 24,631 | $172,188 | $1,155,900 | 76.4% | 3.5% |
| Kenmore | 23,741 | $139,764 | $920,800 | 61.8% | 5.7% |
| Mill Creek East | 25,453 | $192,937 | $905,400 | 67.6% | 4.1% |
| Eastmont | 23,721 | $138,912 | $784,000 | 40.6% | 6.3% |
Population Overview
Maple Valley is a mid-sized community located in Washington, within King County. The total population is 28,287. It ranks as the 46th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Maple Valley is 36.7 years. This is 4% lower than the state median of 38.3 years. With 31.3% of the population under 18, Maple Valley has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Maple Valley is $152,885. This is 56% higher than the state median of $98,141. It is also 89% higher than the national median of $80,734. The poverty rate stands at 4.8%. This is 52% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.8%. This is 5% lower than the state rate of 5.1%. The median home value is $724,700. Housing costs are 28% higher than the state median of $564,600. The home-value-to-income ratio is 4.7x. 83.2% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Maple Valley is White (non-Hispanic), making up 67.7% of the population. Asian residents account for 15.4%. The Black or African American population (1.6%) is well below the state average of 3.9%. The Hispanic or Latino population (5.1%) is well below the state average of 14.4%. The Asian population is significantly higher than the state average (15.4% vs 9.7%).
Education
50.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% higher than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.8%. Notably, 18.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Maple Valley, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Maple Valley, Washington?
Maple Valley, Washington has a population of 28,287 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Maple Valley, WA?
The median household income in Maple Valley is $152,885, which is 89% higher than the national median of $80,734.
What is the poverty rate in Maple Valley, WA?
The poverty rate in Maple Valley is 4.8%. This means approximately 1,348 residents live below the federal poverty line.
What is the racial makeup of Maple Valley, Washington?
Maple Valley's population is 67.7% White, 1.6% Black, 5.1% Hispanic/Latino, and 15.4% Asian.
What is the median home value in Maple Valley, WA?
The median home value in Maple Valley is $724,700. The home-value-to-income ratio is 4.7x.
How educated is Maple Valley, Washington?
50.2% of adults (25+) in Maple Valley hold a bachelor's degree or higher, and 18.5% hold a graduate or professional degree.