| Place Name | Martha Lake |
| Place Type | Census Designated Place |
| ZIP Code(s) | 98012 98036 98037 98087 98208 |
| County | Snohomish County |
| Area Code(s) | 425 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 15,785 |
| Population Growth Rate (2010-19) | 39.99% |
| Majority Ethnicity | White 69.92% |
| Metro/Micro Stats Area | Seattle-Tacoma-Bellevue, WA |
| US Congressional District(s) | Washington 2nd |
| State House Districts | 1,21 |
| State Senate Districts | 1,21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 69.92% |
| African American | 3.37% |
| Hispanic | 0% |
| Asian | 18.87% |
| Native American | 0.48% |
| Hawaiin/Pacific Islander | 7.36% |