Mill Creek East, Washington Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Mill Creek East, WA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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A
Health Above average
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A+
Income Top grade
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | Mill Creek East | Washington Avg | U.S. Average |
|---|---|---|---|
| Population | 20,608 | 7,801,159 | 337,468,954 |
| Population density (per sq mi) | 4631.8 | 109.3 | 86.4 |
| Population growth (%/yr) | 1.61% | 1.21% | 0.59% |
| Median age | 37.4 | 36.2 | 37.3 |
| Households | 6,851 | 3,058,619 | 130,235,071 |
Population in Mill Creek East grew by 63.5% from 2009 to 2024, reaching 20,608 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Mill Creek East is Millennials, aged 29–44, at 29.1% of residents. That is 5.7 points above Washington as a whole.
- Gen Z 13–28 3,529 17.1% -4.3 pts
- Millennials 29–44 5,990 29.1% +5.7 pts
- Gen X 45–60 4,432 21.5% +2.0 pts
- Boomers 61–79 2,003 9.7% -6.5 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Washington, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 48.9% of the people living in Mill Creek East and men 51.1%.
- Women 48.9% Washington 49.7%
- Men 51.1% Washington 50.3%
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Economy
Mill Creek East has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Mill Creek East | Washington Avg | U.S. Average |
|---|---|---|---|
| Median household income | $182,341 | $98,224 | $80,455 |
| Income growth (%/yr) | 7.80% | 5.64% | 4.80% |
| Unemployment rate | 4.8% | 5.0% | 5.2% |
The median household income in Mill Creek East is about 86% higher than in Washington.
Housing
| Metric | Mill Creek East | Washington Avg | U.S. Average |
|---|---|---|---|
| Median home price | $350,000 | $485,016 | $248,835 |
| Median rent | $2,988 | $1,759 | $1,407 |
| Homeownership rate | 82.4% | 63.8% | 65.2% |
The median home price in Mill Creek East is about 9.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,988 per month for that long.
Commute Time & Mobility
Commuters in Mill Creek East spend about 63 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 262 hours, about 10.9 full days, spent commuting.
| Metric | Mill Creek East | Washington Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.4 | 22.4 | 22.4 |
| Round-trip commute (min) | 62.8 | 44.8 | 44.8 |
| Yearly time spent (hours) | 262 | 187 | 187 |
| Estimated yearly cost | $8,114 | $5,785 | $5,790 |
| Work from home | 32.3% | 19.8% | 15.0% |
| Highway traffic (vehicles/day) | — | 10,119 | 8,813 |
| Local road traffic (vehicles/day) | 3,973 | 1,525 | 1,355 |
The average commute time in Mill Creek East is 31 minutes, longer than the 22 minutes in Washington.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Mill Creek East has a education index of A+, which means it is exceptionally educated.
| Metric | Mill Creek East | Washington Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 54.2% | 35.1% | 31.6% |
| Average household size | 3.00 | 2.50 | 2.53 |
Health
Mill Creek East has a health index of A, which means it is very healthy.
| Metric | Mill Creek East | Washington Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.2 | 79.6 | 78.3 |
| Self-rated poor health | 9.2% | 15.4% | 16.3% |
| Smokers | 11.7% | 16.4% | 19.0% |
Mill Creek East, WA Compared With Nearby Cities
Mill Creek East, WA is typical in size for this group, 20,608 residents against a local median of 20,947, so the measures below are close to a like for like comparison. Where Mill Creek East, WA breaks from the cities next to it is median household income, sitting 39% above the local median of $131,308 at $182,341. That is the better end of the local range on this measure.
Median home price tells the same story from another angle: $350,000 against a local median of $523,527, 33% below it. The cities themselves spread $32,427 on median household income, so Mill Creek East, WA sits at one end of an already wide local range rather than apart from it. Mill Creek East, WA has the highest median household income of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Mill Creek East, WA | 20,608 | $182,341 #1/4 | $350,000 #4/4 | 31.4 min #4/4 |
| Mill Creek, WA | 22,980 | $130,559 | $523,527 | 28.8 min |
| Martha Lake, WA | 20,947 | $131,308 | $350,000 | 30.0 min |
| Silver Firs, WA | 20,478 | $162,986 | $624,999 | 27.9 min |
Frequently Asked Questions
Common questions about Mill Creek East, Washington.
What is the population of Mill Creek East, Washington?
About 20,608 people live in Mill Creek East, Washington, in 6,851 households of 3.0 people on average. The median age is 37.4, close to the U.S. median of 37.3.
Is Mill Creek East, Washington mostly urban or rural?
Averaged over its land area, Mill Creek East, Washington has 4,632 people per square mile, a density typical of a city. That is about 54 times the U.S. average of 86.
How affordable is housing in Mill Creek East, Washington?
The median home costs 1.9 times the median household income ($350,000 against $182,341), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $2,988 a month takes about 20% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Mill Creek East, Washington?
54.2% of adults in Mill Creek East, Washington hold a bachelor's degree or higher (about 5 in 10), well above the U.S. share of 31.6%.
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