In 2021, Mill Creek, WA had a population of 20.7k people with a median age of 39.6 and a median household income of $112,072. Between 2020 and 2021 the population of Mill Creek, WA declined from 20,750 to 20,665, a −0.41% decrease and its median household income grew from $104,951 to $112,072, a 6.79% increase.
The 5 largest ethnic groups in Mill Creek, WA are White (Non-Hispanic) (60.2%), Asian (Non-Hispanic) (20%), Two+ (Non-Hispanic) (6.27%), Black or African American (Non-Hispanic) (4.25%), and White (Hispanic) (3.55%).
None of the households in Mill Creek, 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.
89% of the residents in Mill Creek, WA are U.S. citizens.
In 2021, the median property value in Mill Creek, WA was $647,800, and the homeownership rate was 57.9%.
Most people in Mill Creek, WA drove alone to work, and the average commute time was 34 minutes. The average car ownership in Mill Creek, WA was 2 cars per household.