Mill Creek East CDP, Washington Demographics & Population 2026

Population Overview

Mill Creek East CDP is a mid-sized community located in Washington. The total population is 25,461. It ranks as the 50th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Mill Creek East CDP is 35.5 years. This is 7% lower than the state median of 38.2 years. With 30.5% of the population under 18, Mill Creek East CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Mill Creek East CDP is $183,466. This is 93% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 134% higher. The poverty rate stands at 3.7%. This is 63% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.9%. This is 22% lower than the state rate of 5.0%. The median home value is $840,100. Housing costs are 62% higher than the state median of $519,800. The home-value-to-income ratio is 4.6x. 83.0% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 63.9%.

Race & Ethnicity

Mill Creek East CDP is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Asian residents account for 37.7%. The Asian population is significantly higher than the state average (37.7% vs 9.3%).

Education

64.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Mill Creek East CDP in the top 10% of all cities in the state for educational attainment. This is 66% higher than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.7%. Notably, 30.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Mill Creek East CDP, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 631 Census-designated places in Washington. For official data, visit data.census.gov.