City profile · Washington · Census ACS 2023

Mill Creek, WA

Population, income, housing, safety, climate and schools for Mill Creek - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.

20,846
Residents
$121,578
Median income
$836,300
Median home
$2,501
Median rent (state)

Mill Creek - the verdict

Out of every US city with 1,000+ residents, Mill Creek places in the 88th percentile for household income and the 33rd percentile for safety. Source: Census ACS + FBI UCR.

88th
percentile, household income
95th
percentile, home value
92nd
percentile, median rent
33rd
percentile, safety
📝 How we sourced this

Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.

Data Snapshot: Mill Creek, WA

Washington's Mill Creek is a small city, with 20,846 residents per the latest Census Bureau ACS figures. Mill Creek households earn a median of $121,578 annually, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 4.7%. Typical homes in Mill Creek are valued around $836,300, and the median resident age is 38.8 years. About 53.7% of adults hold a bachelor's degree or higher, while 64.9% of working-age residents are in the labor force.

The Census Building Permit Survey recorded 1 residential units authorized here in 2024 (Low Activity). Crime here tracks close to the national norm: FBI UCR figures show 1957.8 crimes per 100,000 residents, near the national average (reporting is voluntary across agencies, so treat this as reporting activity rather than a definitive danger score).

Washington carries a cost-of-living premium: on BEA's 100-equals-national-average cost index, Washington scores 107.0 (Above Average), per the 2024 Regional Price Parities release. A typical two-bedroom carries a HUD Fair Market Rent of $2,501 per month statewide. Monthly utility costs average around $188 across Washington, per EIA 2023 residential energy estimates. Natural-hazard exposure scores 97.9 out of 100 on FEMA's National Risk Index (Very High).

Population

20,846 residents

Census ACS 2023 - Washington

Median Household Income

$121,578 /yr

Poverty 4.7%

Cost of Living Index (state)

107.0 (US=100)

Above Average - BEA RPP 2024, Washington average

How does Mill Creek compare to other US cities?

Where Mill Creek sits among all US cities (population 1,000+) on each measure, computed live from Census and FBI data.

Household income 88% higher than other cities
Home value 95% pricier than other cities
Median rent 92% pricier than other cities
Safety 33% safer than other cities

"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.

National percentiles can mask local variation. Looking only at Washington, Mill Creek ranks #75 of 156 Washington cities by lowest crime rate - a narrower, more locally useful cut than the national comparison above.

How we calculate these percentiles & ranks

Each percentile compares Mill Creek against every qualifying US city; each in-state rank narrows that to Washington only. Full formula and direction notes: methodology.

Washington-relative analysis

Median Home Value is Mill Creek's strongest outlier among Washington cities

Among the 565 Washington cities PlainCities tracks with reported median home value data, Mill Creek ranks #43 - the 92nd percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Mill Creek only against its own state's cities, not the full US field.

Median Household Income
#102 of 565
82nd percentile in Washington
Median Gross Rent
#1 of 599
87th percentile in Washington
Median Home Value
#43 of 565
92nd percentile in Washington
Poverty Rate
#331 of 598
44th percentile in Washington
Bachelor's Degree or Higher
#55 of 599
91st percentile in Washington

Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Washington only, not a livability score. See the methodology for the source and calculation.

88thIncome percentile
33rdSafety percentile

88th percentile nationally for median household income · 33rd percentile for safety (lower crime rate). Source: Census ACS 2023 / FBI UCR 2023.

Mill Creek's profile vs. every US city

Income, affordability, and safety percentile

Mill Creek's percentile rank on 3 favorable-direction measures (income, affordability, safety) vs. every tracked US city -- higher on every axis is more favorable. Not a composite quality score, just the arithmetic mean of the axes shown. 3-axis radar comparing 1 series across Income, Affordability, Safety. IncomeAffordabilitySafety 43 Avg. percentile National median
Mill Creek's percentile rank on 3 favorable-direction measures (income, affordability, safety) vs. every tracked US city -- higher on every axis is more favorable. Not a composite quality score, just the arithmetic mean of the axes shown.

How Mill Creek's home value compares nationally

Median home value vs. every US city (population 1,000+)

$836,300 5th percentile more affordable than 5% of 15,600 US cities

$0–$25,000: 5 US cities (0%). Below this entry. $25,000–$50,000: 54 US cities (0%). Below this entry. $50,000–$75,000: 352 US cities (2%). Below this entry. $75,000–$100,000: 1,086 US cities (7%). Below this entry. $100,000–$125,000: 1,516 US cities (10%). Below this entry. $125,000–$150,000: 1,170 US cities (8%). Below this entry. $150,000–$175,000: 1,278 US cities (8%). Below this entry. $175,000–$200,000: 1,229 US cities (8%). Below this entry. $200,000–$225,000: 1,035 US cities (7%). Below this entry. $225,000–$250,000: 976 US cities (6%). Below this entry. $250,000–$275,000: 754 US cities (5%). Below this entry. $275,000–$300,000: 712 US cities (5%). Below this entry. $300,000–$325,000: 521 US cities (3%). Below this entry. $325,000–$350,000: 526 US cities (3%). Below this entry. $350,000–$375,000: 465 US cities (3%). Below this entry. $375,000–$400,000: 393 US cities (3%). Below this entry. $400,000–$425,000: 317 US cities (2%). Below this entry. $425,000–$450,000: 300 US cities (2%). Below this entry. $450,000–$475,000: 307 US cities (2%). Below this entry. $475,000–$500,000: 250 US cities (2%). Below this entry. $500,000–$525,000: 160 US cities (1%). Below this entry. $525,000–$550,000: 156 US cities (1%). Below this entry. $550,000–$575,000: 172 US cities (1%). Below this entry. $575,000–$600,000: 172 US cities (1%). Below this entry. $600,000–$625,000: 163 US cities (1%). Below this entry. $625,000–$650,000: 167 US cities (1%). Below this entry. $650,000–$675,000: 135 US cities (1%). Below this entry. $675,000–$700,000: 101 US cities (1%). Below this entry. $700,000–$725,000: 95 US cities (1%). Below this entry. $725,000–$750,000: 71 US cities (0%). Below this entry. $750,000–$775,000: 65 US cities (0%). Below this entry. $775,000–$800,000: 70 US cities (0%). Below this entry. $800,000–$825,000: 57 US cities (0%). Below this entry. $825,000–$850,000: 67 US cities (0%). This entry sits in this band. $850,000–$875,000: 60 US cities (0%). Above this entry. $875,000–$900,000: 58 US cities (0%). Above this entry. $900,000–$925,000: 47 US cities (0%). Above this entry. $925,000–$950,000: 37 US cities (0%). Above this entry. $950,000–$975,000: 31 US cities (0%). Above this entry. $975,000–$1,000,000: 470 US cities (3%). Above this entry. $1,000,000–$1,025,000: 0 US cities (0%). Above this entry. Mill Creek $0 $1,025,000 every US city, bucketed by value

Each bar is a $25K-wide band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau ACS 5-Year Estimates · 2023

Income distribution context

Household income distribution - Mill Creek, WA Mill Creek, WA's reported median household income shown against the U.S. national quintile-share pattern (not Mill Creek, WA-specific quintile data). The Lorenz curve traces the national cumulative income share against cumulative population share, perfect equality is the diagonal; observed inequality bows below. $ Household Income Distribution Mill Creek, WA median $121,578/yr, vs. U.S. national quintile pattern QUINTILE SHARE OF AGGREGATE INCOME Lowest 20% 3.4% Second 20% 9.2% Middle 20% 15.1% Fourth 20% 23.2% Top 20% 49.1% LORENZ CURVE cumulative income vs. population 100% 0% 100% pop. 0%
Mill Creek, WA's median household income (Census ACS 5-year estimate) plotted against the U.S. national income-quintile distribution pattern for context; the quintile shares and Lorenz curve are national figures, not computed specifically for Mill Creek, WA. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 53.7%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 4.7%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 64.9%

Census ACS S2301, share of working-age residents in the labor force

Population
20,846
Median Income
$121,578
Median Home Value
$836,300
Median Age
38.8
Poverty Rate
4.7%
Labor force participation
64.9%
Bachelor's Degree+
53.7%

Safety & Crime

Total Crime Rate
1957.8
per 100,000 residents
Violent Crime
125.7
per 100,000 residents
Property Crime
1832.1
per 100,000 residents

Reflects incidents reported to the FBI's Uniform Crime Reporting program — agency participation is voluntary and reporting completeness varies by jurisdiction and year, so this reflects reporting activity, not a definitive danger score. Not adjusted for tourism, commuter, or daytime population.

Schools

Total Schools
3
Public schools in this city

Population Change

Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025

See the fastest-growing cities →
20,850 residents20,900 residents20,950 residents21,000 residents21,050 residents 202020212022202320242025 20,909 residents 20,902 residents ▼ -0.0%
Mill Creek's Census PEP population estimates, 2020–2025.

Housing Supply

Census Bureau Building Permits Survey (BPS) - annual residential permits authorized

🏗️ Low Activity
Total Permits (2024)
1
housing units authorized
Single-Family
1
detached homes
Multifamily
0
apartments & condos

5-Year Permit Trend (2019–2024)

Year Total
2019 0
2020 128
2021 36
2022 2
2023 0
2024 1

Commute Patterns

How workers travel to work, Census ACS 2023

Drive Alone
57.8%
Carpool
8.1%
Public Transit
4.8%
Walk
0.3%
Work from Home
27.4%
Other
1.6%

Based on 10,903 workers 16 and over.

Monthly Utility Costs

State-average estimates for Washington - EIA 2023 residential energy data

Electricity
$85
avg/month
Natural Gas
$48
avg/month
Water & Sewer
$55
avg/month
Total Utilities
$188
estimated/month

Estimates reflect Washington state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.

Living Costs & Risk

Cost of living is a Washington state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Mill Creek sits in

Cost of Living Index
107.0
Above Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$2,501/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
97.9 / 100
Very High
FEMA NRI composite score (county)

Similar Cities in Washington

Covington
20,957 people
Bothell West
21,014 people
Silverdale
21,046 people
Arlington
20,599 people
Battle Ground
21,293 people
Mukilteo
21,312 people

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to Mill Creek's 20,846 residents (Census ACS 5-Year 2023).

Rosedale, MD
20,845 people
Murrysville, PA
20,839 people
East Moline, IL
20,837 people
Rosamond, CA
20,835 people
Hyattsville, MD
20,861 people
Arbutus, MD
20,869 people

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to Mill Creek's $121,578 (Census ACS 5-Year 2023, table B19013).

Carrollton, IN
$121,574 median income
Wadsworth, IL
$121,583 median income
Grantley, PA
$121,563 median income
Waikapu, HI
$121,618 median income
Sawgrass, FL
$121,519 median income
Senoia, GA
$121,505 median income

Race & Ethnicity Composition

Race and ethnicity - Mill Creek, WA Race categories sum to one hundred percent per Census methodology. Hispanic or Latino is shown separately as an ethnicity overlay; it cuts across all race categories per OMB Directive 15. Race & Ethnicity Composition Mill Creek, WA - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 64.0% 20.6% 7.8% ETHNICITY, Hispanic or Latino (any race) 8.0% White 64.0% Black or African American 4.7% Asian 20.6% American Indian 0.2% Native Hawaiian 0.4% Some other race 2.3% Two or more races 7.8% Per OMB Directive 15: Hispanic/Latino ethnicity is reported separately from the race categories.
Race categories sum to 100%. Hispanic or Latino ethnicity is reported separately and cuts across race per Census/OMB methodology.

City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.

How Mill Creek compares to nearby Washington cities

Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).

City Population Median Household Income
Mill Creek (this city) 20,846 $121,578
Covington 20,957 $126,730
Bothell West 21,014 $144,941
Silverdale 21,046 $101,445
Census ACS 5-year FIPS WA FBI UCR NCES CCD Census BPS 2024 OMB Bulletin 23-01

What do people ask about Mill Creek, WA?

What is the population of Mill Creek, WA? +

The population of Mill Creek, WA stands at 20,846 according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in Mill Creek, WA? +

The median household income in Mill Creek is $121,578 per year, based on Census ACS 2023 data.

What is the cost of living in Mill Creek? +

BEA does not publish a city-level cost-of-living figure for Mill Creek; the closest available measure is the Washington state average, a cost of living index of 107.0 (U.S. average = 100), rated "Above Average" based on BEA Regional Price Parities 2024 data. Costs within Washington vary by metro area.

Is Mill Creek, WA safe? +

Mill Creek has a total crime rate of 1957.8 per 100,000 residents, which is near the national average. This reflects incidents reported to the FBI UCR program, not a definitive safety score -- agency reporting is voluntary and completeness varies by jurisdiction.

What is the median home value in Mill Creek, WA? +

Homes in Mill Creek carry a median value of $836,300, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, FBI UCR, NCES CCD, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Citation & verification links Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

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Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.