In 2023, Martha Lake, WA had a population of 22.7k people with a median age of 33.9 and a median household income of $132,130. Between 2022 and 2023 the population of Martha Lake, WA declined from 23,259 to 22,740, a −2.23% decrease and its median household income declined from $132,844 to $132,130, a −0.537% decrease.
The 5 largest ethnic groups in Martha Lake, WA are White (Non-Hispanic) (51.5%), Asian (Non-Hispanic) (23.6%), Two+ (Non-Hispanic) (7.2%), Black or African American (Non-Hispanic) (5.69%), and Other (Hispanic) (3.9%).
None of the households in Martha Lake, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
83.9% of the residents in Martha Lake, WA are U.S. citizens.
In 2023, the median property value in Martha Lake, WA was $725,400, and the homeownership rate was 62.4%.
Most people in Martha Lake, WA drove alone to work, and the average commute time was 28.5 minutes. The average car ownership in Martha Lake, WA was 2 cars per household.