Three Lakes, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Three Lakes, Washington had a total population of 4,055, the 222nd largest community in Washington, with a median household income of $172,879, which is 76% higher than the state average. The poverty rate is 6.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 76% above the state average — one of the wealthiest communities in Washington.
- Near full employment with an unemployment rate of just 1.5%.
Three Lakes Quick Facts
How Three Lakes 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 | 3,466 | 4,055 | +17.0% |
| Median household income | $148,625 | $172,879 | +16.3% |
| Median home value | $754,200 | $842,800 | +11.7% |
How Three Lakes 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+)
Three Lakes Rankings in Washington
Explore Washington Rankings
Other Cities in Snohomish County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Everett | 111,845 | $83,512 | 12.9% | $565,300 |
| Marysville | 73,002 | $103,974 | 8.1% | $567,900 |
| Edmonds | 42,735 | $122,449 | 3.8% | $890,100 |
| Lake Stevens | 40,253 | $122,336 | 5.2% | $635,600 |
| Lynnwood | 40,110 | $77,704 | 14.1% | $686,900 |
| Mill Creek East | 25,453 | $192,937 | 4.1% | $905,400 |
| Eastmont | 23,721 | $138,912 | 6.3% | $784,000 |
| North Lynnwood | 23,339 | $101,088 | 7.2% | $616,400 |
| Mountlake Terrace | 23,104 | $107,687 | 7.0% | $667,300 |
| Martha Lake | 22,634 | $124,494 | 8.3% | $785,400 |
Cities Similar to Three Lakes
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Mirrormont | 4,019 | $181,842 | $973,900 | 61.9% | 3.3% |
| Rosedale | 4,208 | $158,800 | $887,600 | 45.5% | 2.5% |
| Esperance | 4,189 | $148,640 | $790,700 | 48.6% | 10.5% |
| Maple Heights-Lake Desire | 4,113 | $143,148 | $876,200 | 47.4% | 6.0% |
| Larch Way | 4,424 | $160,040 | $842,600 | 46.0% | 1.6% |
Population Overview
Three Lakes is a small community located in Washington, within Snohomish County. The total population is 4,055. It ranks as the 222nd most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Three Lakes is 41.9 years. This is 9% higher than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Three Lakes is $172,879. This is 76% higher than the state median of $98,141. It is also 114% higher than the national median of $80,734. The poverty rate stands at 6.3%. This is 36% lower than the state poverty rate of 9.9%. The unemployment rate is 1.5%. This is 70% lower than the state rate of 5.1%. The median home value is $842,800. Housing costs are 49% higher than the state median of $564,600. The home-value-to-income ratio is 4.9x. 96.2% of occupied housing units are owner-occupied. This homeownership rate is 51% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Three Lakes is White (non-Hispanic), making up 84.4% of the population. Hispanic or Latino residents account for 1.1%. The Black or African American population (0.7%) is well below the state average of 3.9%. The Hispanic or Latino population (1.1%) is well below the state average of 14.4%. The Asian population (0.9%) is well below the state average of 9.7%.
Education
40.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% 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 92.4%.
Data Sources & Methodology
All demographic data for Three Lakes, 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 Three Lakes, Washington?
Three Lakes, Washington has a population of 4,055 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Three Lakes, WA?
The median household income in Three Lakes is $172,879, which is 114% higher than the national median of $80,734.
What is the poverty rate in Three Lakes, WA?
The poverty rate in Three Lakes is 6.3%. This means approximately 257 residents live below the federal poverty line.
What is the racial makeup of Three Lakes, Washington?
Three Lakes's population is 84.4% White, 0.7% Black, 1.1% Hispanic/Latino, and 0.9% Asian.
What is the median home value in Three Lakes, WA?
The median home value in Three Lakes is $842,800. The home-value-to-income ratio is 4.9x.
How educated is Three Lakes, Washington?
40.8% of adults (25+) in Three Lakes hold a bachelor's degree or higher, and 9.0% hold a graduate or professional degree.