Demographics & People — Martha Lake, Washington
Population Overview
| Population (Census) | 22,740 |
| Estimated 2026 | ~22,400 |
| Median Age | 34.7 |
| Total Households | 7,942 |
| Family Households | 5,698 |
| Average Household Size | 2.86 |
| Diversity Index | 0.5803 (moderately diverse) |
Race & Ethnicity
| White | 12,236 |
| Black or African American | 1,295 |
| Asian | 5,442 |
| Hispanic or Latino | 2,030 |
Heritage & Ancestry
| Group | Count |
| Other groups | 8,466 |
| Unclassified or not reported | 5,295 |
| German | 2,509 |
| Hispanic: Hispanic or Latino | 2,388 |
| Irish | 2,280 |
| English | 1,542 |
| Hispanic: Mexican | 1,407 |
| Swedish | 847 |
| Norwegian | 679 |
| European | 562 |
Language
| English Only | 13,358 |
| Spanish | 946 |
| Population 5+ | 21,195 |
Veterans
| Veterans | 977 |
| Population 18+ | 17,368 |
Commuting
| Mean Commute Time | 27.8 minutes |
| Work from Home | 26.2% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Martha Lake, Washington.