Lake Marcel-Stillwater, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Lake Marcel-Stillwater, Washington had a total population of 1,549, the 350th largest community in Washington, with a median household income of $201,845, which is 106% higher than the state average. The poverty rate is 5.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 106% above the state average — one of the wealthiest communities in Washington.
Lake Marcel-Stillwater Quick Facts
How Lake Marcel-Stillwater 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 | 1,463 | 1,549 | +5.9% |
| Median household income | $195,063 | $201,845 | +3.5% |
| Median home value | $690,800 | $847,500 | +22.7% |
How Lake Marcel-Stillwater 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
A less diverse community where one racial or ethnic group represents a large majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Lake Marcel-Stillwater 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 Lake Marcel-Stillwater
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Fall City | 1,618 | $177,019 | $1,010,300 | 61.5% | 2.2% |
| Monroe North | 1,456 | $169,844 | $707,500 | 48.2% | 0.8% |
| Wilderness Rim | 1,560 | $149,870 | $681,300 | 48.7% | 3.3% |
| Cavalero | 1,591 | $148,462 | $656,000 | 34.6% | 3.5% |
| Fife Heights | 1,446 | $157,292 | $712,400 | 35.1% | 2.4% |
Population Overview
Lake Marcel-Stillwater is a small community located in Washington, within King County. The total population is 1,549. It ranks as the 350th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Lake Marcel-Stillwater is 39.9 years. This is 4% higher than the state median of 38.3 years. With 32.0% of the population under 18, Lake Marcel-Stillwater has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Lake Marcel-Stillwater is $201,845. This is 106% higher than the state median of $98,141. It is also 150% higher than the national median of $80,734. The poverty rate stands at 5.3%. This is 47% lower than the state poverty rate of 9.9%. The survey records no unemployed residents in Lake Marcel-Stillwater, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $847,500. Housing costs are 50% higher than the state median of $564,600. The home-value-to-income ratio is 4.2x. 93.7% of occupied housing units are owner-occupied. This homeownership rate is 47% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Lake Marcel-Stillwater is White (non-Hispanic), making up 84.1% of the population. Hispanic or Latino residents account for 9.1%. The Asian population (4.2%) is well below the state average of 9.7%.
Education
52.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 32% 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 93.8%. Notably, 20.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lake Marcel-Stillwater, 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 Lake Marcel-Stillwater, Washington?
Lake Marcel-Stillwater, Washington has a population of 1,549 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lake Marcel-Stillwater, WA?
The median household income in Lake Marcel-Stillwater is $201,845, which is 150% higher than the national median of $80,734.
What is the poverty rate in Lake Marcel-Stillwater, WA?
The poverty rate in Lake Marcel-Stillwater is 5.3%. This means approximately 82 residents live below the federal poverty line.
What is the racial makeup of Lake Marcel-Stillwater, Washington?
Lake Marcel-Stillwater's population is 84.1% White, 0.0% Black, 9.1% Hispanic/Latino, and 4.2% Asian.
What is the median home value in Lake Marcel-Stillwater, WA?
The median home value in Lake Marcel-Stillwater is $847,500. The home-value-to-income ratio is 4.2x.
How educated is Lake Marcel-Stillwater, Washington?
52.5% of adults (25+) in Lake Marcel-Stillwater hold a bachelor's degree or higher, and 20.7% hold a graduate or professional degree.