Sunday Lake, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Sunday Lake, Washington had a total population of 1,375, the 360th largest community in Washington, with a median household income of $91,500, which is 7% lower than the state average. The poverty rate is 8.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing affordability is a challenge — homes cost 7.6x the median household income.
- Unemployment rate of 10.0% is notably above the national average.
Sunday Lake Quick Facts
How Sunday Lake 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 | 1,209 | 1,375 | +13.7% |
| Median household income | $110,491 | $91,500 | -17.2% |
| Median home value | $696,700 | $697,100 | +0.1% |
How Sunday Lake 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+)
Sunday Lake 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 Sunday Lake
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Purdy | 1,344 | $91,204 | $358,600 | 34.8% | 2.5% |
| Ilwaco | 1,365 | $98,200 | $370,300 | 31.3% | 9.5% |
| Manson | 1,462 | $91,319 | $596,700 | 33.4% | 22.6% |
| Clear Lake (Pierce County) | 1,271 | $95,882 | $788,500 | 19.2% | 6.6% |
| Sumas | 1,512 | $89,375 | $441,500 | 13.4% | 9.7% |
Population Overview
Sunday Lake is a small community located in Washington, within Snohomish County. The total population is 1,375. It ranks as the 360th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Sunday Lake is 41.8 years. This is 9% higher than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Sunday Lake is $91,500. This is 7% lower than the state median of $98,141. It is also 13% higher than the national median of $80,734. The poverty rate stands at 8.9%. This is 10% lower than the state poverty rate of 9.9%. The unemployment rate is 10.0%. This is 96% higher than the state rate of 5.1%. The median home value is $697,100. Housing costs are 23% higher than the state median of $564,600. The home-value-to-income ratio of 7.6x suggests that housing affordability is a significant concern for many residents. 89.2% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Sunday Lake is White (non-Hispanic), making up 71.2% of the population. Hispanic or Latino residents account for 18.1%.
Education
23.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower 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 88.8%.
Data Sources & Methodology
All demographic data for Sunday Lake, 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.
Free data download: Get all Washington city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Sunday Lake, Washington?
Sunday Lake, Washington has a population of 1,375 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sunday Lake, WA?
The median household income in Sunday Lake is $91,500, which is 13% higher than the national median of $80,734.
What is the poverty rate in Sunday Lake, WA?
The poverty rate in Sunday Lake is 8.9%. This means approximately 122 residents live below the federal poverty line.
What is the racial makeup of Sunday Lake, Washington?
Sunday Lake's population is 71.2% White, 0.0% Black, 18.1% Hispanic/Latino, and 10.7% Asian.
What is the median home value in Sunday Lake, WA?
The median home value in Sunday Lake is $697,100. The home-value-to-income ratio is 7.6x.
How educated is Sunday Lake, Washington?
23.4% of adults (25+) in Sunday Lake hold a bachelor's degree or higher, and 2.1% hold a graduate or professional degree.