Martha Lake CDP, Washington Demographics & Population 2026
As of 2026, Martha Lake CDP, Washington has a total population of 22,740, the 62nd largest city in Washington, with a median household income of $132,130, which is 39% higher than the state average. The poverty rate is 10.0%.
Key Takeaways
- Household income is 39% above the state average — one of the wealthiest communities in Washington.
Martha Lake CDP Quick Facts
How Martha Lake CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 55 | National average: 60
Education
Educational Attainment (Adults 25+)
Martha Lake CDP Rankings in Washington
Explore Washington Rankings
Cities Similar to Martha Lake CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bonney Lake city | 22,776 | $131,524 | $558,900 | 29.6% | 4.9% |
| Kenmore city | 23,594 | $137,926 | $869,800 | 57.1% | 6.0% |
| Eastmont CDP | 23,486 | $139,346 | $696,800 | 40.9% | 6.5% |
| Mukilteo city | 21,312 | $122,612 | $830,000 | 54.8% | 5.8% |
| Covington city | 20,957 | $126,730 | $590,100 | 35.9% | 4.7% |
Population Overview
Martha Lake CDP is a small city located in Washington. The total population is 22,740. It ranks as the 62nd most populous out of 631 cities and towns in Washington.
Age Demographics
The median age in Martha Lake CDP is 33.9 years. This is 11% lower than the state median of 38.2 years.
Economy, Income & Housing
The median household income in Martha Lake CDP is $132,130. This is 39% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 68% higher. The poverty rate stands at 10.0%. This is 1% higher than the state poverty rate of 9.9%. The unemployment rate is 4.5%. This is 10% lower than the state rate of 5.0%. The median home value is $725,400. Housing costs are 40% higher than the state median of $519,800. The home-value-to-income ratio is 5.5x. 62.4% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 63.9%.
Race & Ethnicity
The largest racial or ethnic group in Martha Lake CDP is White (non-Hispanic), making up 51.5% of the population. Asian residents account for 23.6%. The Asian population is significantly higher than the state average (23.6% vs 9.3%).
Education
47.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% higher than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.7%.
Data Sources & Methodology
All demographic data for Martha Lake CDP, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 631 Census-designated places in Washington. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Martha Lake CDP, Washington?
Martha Lake CDP, Washington has a population of 22,740 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Martha Lake CDP, WA?
The median household income in Martha Lake CDP is $132,130, which is 68% higher the national median of $78,538.
What is the poverty rate in Martha Lake CDP, WA?
The poverty rate in Martha Lake CDP is 10.0%. This means approximately 2,265 residents live below the federal poverty line.
What is the racial makeup of Martha Lake CDP, Washington?
Martha Lake CDP's population is 51.5% White, 5.7% Black, 8.9% Hispanic/Latino, and 23.6% Asian.
What is the median home value in Martha Lake CDP, WA?
The median home value in Martha Lake CDP is $725,400. The home-value-to-income ratio is 5.5x.
How educated is Martha Lake CDP, Washington?
47.5% of adults (25+) in Martha Lake CDP hold a bachelor's degree or higher, and 14.2% hold a graduate or professional degree.