Data / Mill Creek, WA / Profile

Mill Creek, WA in figures

A profile of Mill Creek, WA from official statistics: 10 figures in 3 sections, each with its period, its change from a year earlier, its rank among similar places where a ranking exists, and its source.

Figures last updated on 2026-10-12.

People

Population in Mill Creek, WA was 20,902 in 2025, down 0.1% from 2024, and the 35th lowest of 91 cities in Washington.

Population20,9022025Down 0.1% from 2024The 35th lowest of 91 cities in Washington
Median age39.3 years2024Up 0.5 years from 2023The 22nd highest of 91 cities in Washington
Foreign-born population share24.5%2024Down 0.6 percentage points from 2023The 20th highest of 91 cities in Washington
Bachelor's degree or higher, population 25 and over56%2024Up 2.3 percentage points from 2023
20.9K20.9K21K21K21.1K2020202120222023202420252020: 20,909 persons2021: 21,023 persons2022: 20,925 persons2023: 20,891 persons2024: 20,932 persons2025: 20,902 persons
Population, 2020 to 2025. persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals).

Sources: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals); U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more); U.S. Census Bureau, American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs, US cities (incorporated places of 10,000 or more); U.S. Census Bureau, American Community Survey 5-year estimates, table B15003: population 25 years and over with a bachelor's degree or higher as a percentage of the population 25 years and over, calculated with stored inputs, US cities (incorporated places of 10,000 or more). Population and demography statistics and rankings

Work and income

Median household income in Mill Creek, WA was $124,364 in 2024, up 2.3% from 2023, and the 19th highest of 91 cities in Washington.

Median household income$124,3642024Up 2.3% from 2023The 19th highest of 91 cities in Washington
Gini index44.72024Up 0.8 points from 2023The 30th highest of 91 cities in Washington
110K112.5K115K117.5K120K122.5K125K20212022202320242021: 112,072 USD2022: 118,276 USD2023: 121,578 USD2024: 124,364 USD
Median household income, 2021 to 2024. USD. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B19013: median household income in the past 12 months, US cities (incorporated places of 10,000 or more).

Sources: U.S. Census Bureau, American Community Survey 5-year estimates, table B19013: median household income in the past 12 months, US cities (incorporated places of 10,000 or more); U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). Labor market statistics and rankings

Prices and housing

Median home value in Mill Creek, WA was $903,800 in 2024, up 8.1% from 2023, and the 15th highest of 91 cities in Washington.

Median home value$903,8002024Up 8.1% from 2023The 15th highest of 91 cities in Washington
Median gross rent (monthly)$2,2492024Up 2.4% from 2023The 16th highest of 91 cities in Washington
Homeownership rate (US, housing units)59%2024Down 0.8 percentage points from 2023The 45th lowest of 91 cities in Washington
Housing units authorized by building permits02025, estimatedDown 100% from 2024
600K700K800K900K1M20212022202320242021: 647,800 USD2022: 777,500 USD2023: 836,300 USD2024: 903,800 USD
Median home value, 2021 to 2024. USD. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units, US cities (incorporated places of 10,000 or more).

Sources: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units, US cities (incorporated places of 10,000 or more); U.S. Census Bureau, American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent, US cities (incorporated places of 10,000 or more); U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs, US cities (incorporated places of 10,000 or more); U.S. Census Bureau, Building Permits Survey: final annual estimates of new privately owned housing units authorized by permit-issuing place, including imputation. Housing statistics and rankings

Sources and citations

Each figure comes from the table cited here. Cite the publisher; these citations include any notice the publisher requires.

  1. U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
  2. U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-12.
  3. U.S. Census Bureau. American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b05002.dat. Retrieved 2026-10-12.
  4. U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a bachelor's degree or higher as a percentage of the population 25 years and over, calculated with stored inputs, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.
  5. U.S. Census Bureau. American Community Survey 5-year estimates, table B19013: median household income in the past 12 months, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19013.dat. Retrieved 2026-10-12.
  6. U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19083.dat. Retrieved 2026-10-12.
  7. U.S. Census Bureau. American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25077.dat. Retrieved 2026-10-12.
  8. U.S. Census Bureau. American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25064.dat. Retrieved 2026-10-12.
  9. U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-12.
  10. U.S. Census Bureau. Building Permits Survey: final annual estimates of new privately owned housing units authorized by permit-issuing place, including imputation. https://www2.census.gov/econ/bps/Place/West%20Region/we2025a.txt. Retrieved 2026-10-12.

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