Martha Lake, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Martha Lake, Washington is 22,740 as of the 2023 American Community Survey, making it the 62nd-largest city in Washington. The median household income is $132,130, the median home value is $725,400, and the median age is 33.9.
22,740
Population
4995
People / sq mi
$132,130
Median Income
$725,400
Median Home Value
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Martha Lake covers 4.6 sq mi of land at 4995 people per square mile.
About Martha Lake, WA
In Martha Lake, home values do the distinguishing — a median of $725,400. Martha Lake is a city in Washington with a population of 22,740.
Households take in a median $132,130, comfortably above the US median of $78,538. About 7.1% of residents live below the federal poverty level, below the national 12.4%. Real estate commands a premium here — a median home value of $725,400, with typical rent around $2,014.
Educational attainment is on the higher side for US cities — 47.5% of adults hold a four-year degree, above the national 35.0%. Remote work is on the higher side at 23.4%, above the national 14.0%, and the average commute runs about 29 minutes each way.
High housing values reframe the income picture in Martha Lake — even solid earnings stretch less against home prices and rents at this level.
Race & Ethnicity
| White | 53.8% |
| Black or African American | 5.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.8% |
| Two or More Races | 0.0% |
Economy & Income
$132,130
Median Household Income
$52,621
Per Capita Income
7.1%
Poverty Rate
3.3%
Unemployment Rate
Housing
$725,400
Median Home Value
$2,014
Median Rent
62.4%
Owner-Occupied
Education
92.7%
High School+
47.5%
Bachelor's+
Commute
1.3%
Drive Alone
63.7%
Public Transit
23.4%
Work From Home
28.5 min
Avg Commute
Community Profile
27.9%
Foreign Born
63.0%
Non-English at Home
5.1%
Veterans
8.5%
With Disability
96.2%
Health Insurance
99.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.6% |
| Finance, Insurance & Real Estate | 17.7% |
| Manufacturing | 10.7% |
| Construction | 7.8% |
| Education, Health Care & Social Services | 5.7% |
| Transportation & Warehousing | 5.5% |
| Information | 5.3% |
| Retail Trade | 4.5% |
| Arts, Entertainment & Food Services | 4.3% |
| Public Administration | 3.0% |
| Agriculture & Mining | 0.4% |
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Frequently Asked Questions
Martha Lake, Washington has a population of 22,740 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 62nd-largest city in Washington.
The median household income in Martha Lake, Washington is $132,130, with 7.1% of residents living below the federal poverty level.
The median home value in Martha Lake, Washington is $725,400, with median monthly rent at $2,014 and a homeownership rate of 62.4%.
The median age in Martha Lake, Washington is 33.9 years. The population is 49.6% male and 50.4% female.
Where to stay in Martha Lake
Visiting or relocating to Martha Lake, WA? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.