City · Washington
Mukilteo, Washington
Mukilteo, city, in Snohomish County, Washington. Mukilteo had 21,239 residents on July 1, 2025 by the Census Bureau's estimate, down 1.4% since 2020; the 2020 Census counted 21,538 and the ACS 2020-2024 5-year estimates put it at 21,323 (±55). GEOID 5347735.
Residents, July 2025 estimate
21,239
Census Bureau estimate (no margin published)
2020 Census count: 21,538 · ACS 2020-2024: 21,323 ±55
Median household income
$132,861
±$17,962 (90% margin)
Washington: $98,141
Median home value
$884,900
±$37,124 (90% margin)
Washington: $564,600
Median gross rent
$2,166
±$144 (90% margin)
Washington: $1,760
Where is Mukilteo and what county is it in?
Mukilteo is a city in Snohomish County, Washington. It covers 6.2 square miles of land, 3,447 residents per square mile in 2020.
Mukilteo is in the Seattle-Tacoma-Bellevue, WA metropolitan statistical area, which takes in 3 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Mukilteo, and is it growing?
The Census Bureau estimates that 21,239 people lived in Mukilteo on July 1, 2025, down 1.4% since 2020, while Washington grew 3.8%. The 2020 Census counted 21,538 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 21,323 (±55).
| Measure | Mukilteo | Snohomish County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 21,323 ±55 | 844,430 | no clear change |
| Households | 8,365 ±476 | 316,212 | no clear change |
| Average household size | 2.54 ±0.14 | 2.64 | no clear change |
| Housing units | 8,752 ±499 | 331,530 | no clear change |
Mukilteo's population since 2000
From 18,019 in 2000 to 21,239 in 2025: up 17.9%. The 2000, 2010 and 2020 figures are census counts, each for Mukilteo as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Mukilteo?
The median resident of Mukilteo is 42.8 years old; 21.0% are under 18 and 17.9% are 65 or older. The largest group is non-Hispanic white residents at 59.2%, then non-Hispanic Asian residents at 18.6%. 22.1% of residents were born outside the United States.
| Measure | Mukilteo | Snohomish County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.8 ±2.5 | 38.6 | no clear change |
| Under 18 years | 21.0% ±3.4 pts | 22.1% | – |
| 65 years and over | 17.9% ±1.9 pts | 14.8% | – |
| Male | 51.2% ±1.7 pts | 50.4% | – |
| Hispanic or Latino (any race) | 9.8% ±4.2 pts | 12.1% | no clear change |
| White alone, not Hispanic | 59.2% ±5.1 pts | 62.0% | −7.9 pts |
| Black or African American alone, not Hispanic | 1.8% ±0.9 pts | 3.6% | – |
| Asian alone, not Hispanic | 18.6% ±3.3 pts | 13.6% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.4% ±0.3 pts | 0.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.2 pts | 0.5% | – |
| Two or more races, not Hispanic | 9.7% ±3.3 pts | 6.9% | – |
| Some other race alone, not Hispanic | 0.5% ±0.4 pts | 0.7% | – |
| Born outside the United States | 22.1% ±3.0 pts | 19.3% | no clear change |
| Speak a language other than English at home (age 5+) | 24.5% ±4.1 pts | 24.4% | – |
| Civilian veterans (age 18+) | 6.7% ±1.5 pts | 6.9% | – |
| With a disability | 9.8% ±3.4 pts | 12.4% | – |
| No health insurance coverage | 5.9% ±2.2 pts | 6.2% | no clear change |
| High school graduate or higher (age 25+) | 97.4% ±1.0 pts | 93.1% | – |
| Bachelor's degree or higher (age 25+) | 56.3% ±4.1 pts | 38.2% | no clear change |
| Graduate or professional degree (age 25+) | 22.9% ±2.7 pts | 13.4% | – |
| Lived in the same house a year earlier | 88.9% ±3.0 pts | 87.3% | – |
| Moved from another state in the past year | 1.2% ±0.6 pts | 1.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Mukilteo earn?
Half of Mukilteo's 8,365 households earn less than $132,861 a year (±$17,962), against $111,246 in Snohomish County and $98,141 in Washington. In 2015-2019 it was $133,575 in 2024 dollars; the margins of error cannot tell the two periods apart. 5.7% of residents live below the poverty line.
| Measure | Mukilteo | Snohomish County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $132,861 ±$17,962 | $111,246 | no clear change |
| Mean household income | $166,373 ±$10,296 | $142,821 | – |
| Per capita income | $66,677 ±$3,250 | $54,628 | no clear change |
| People below the poverty line | 5.7% ±3.1 pts | 8.0% | no clear change |
| Children under 18 below the poverty line | 9.2% ±9.3 pts | 9.2% | – |
| Households receiving SNAP | 4.3% ±3.3 pts | 8.8% | – |
| Households with a computer | 98.5% ±1.0 pts | 97.7% | – |
| Households with a broadband subscription | 95.9% ±1.9 pts | 94.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Mukilteo?
Owners occupy 70.6% of Mukilteo's occupied homes and renters 29.4%. The median owner-occupied home is valued at $884,900 by its owner (±$37,124). The median renter pays $2,166 a month including utilities, and 39.5% of renters pay 35% or more of their income on rent.
| Measure | Mukilteo | Snohomish County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $884,900 ±$37,124 | $696,000 | +$167,775 |
| Median gross rent | $2,166 ±$144 | $1,949 | no clear change |
| Renters paying 35% or more of income on rent | 39.5% ±11.0 pts | 41.9% | no clear change |
| Median monthly owner costs, with a mortgage | $2,883 ±$152 | $2,748 | – |
| Owner-occupied homes | 70.6% ±3.7 pts | 68.2% | no clear change |
| Renter-occupied homes | 29.4% ±3.7 pts | 31.8% | – |
| Housing units | 8,752 ±499 | 331,530 | no clear change |
| Homeowner vacancy rate | 0.3% ±0.5 pts | 0.5% | – |
| Rental vacancy rate | 5.2% ±4.5 pts | 4.0% | – |
| Single-family detached homes | 59.8% ±3.8 pts | 63.9% | – |
| Mobile homes | 0.2% ±0.3 pts | 4.6% | – |
| Built 2020 or later | 0.3% ±0.3 pts | 2.6% | – |
| Built 2010 to 2019 | 4.6% ±2.1 pts | 12.2% | – |
| Built 1939 or earlier | 1.4% ±1.0 pts | 4.9% | – |
| Households with no vehicle | 2.9% ±1.6 pts | 4.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Mukilteo building?
Builders took permits for 20 new housing units in Mukilteo in 2025 (6 in single-family houses), 0.9 per 1,000 residents against 4.4 across Washington.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Mukilteo work and get to work?
62.4% of Mukilteo's workers drive alone and 26.7% work from home. The average trip to work takes 25.8 minutes. The unemployment rate in 2020-2024 averaged 3.1%.
| Measure | Mukilteo | Snohomish County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 68.4% ±3.2 pts | 67.3% | – |
| Unemployment rate | 3.1% ±1.7 pts | 4.5% | no clear change |
| Drove alone to work | 62.4% ±4.5 pts | 65.0% | – |
| Carpooled | 7.5% ±2.6 pts | 9.1% | – |
| Public transportation | 2.1% ±1.3 pts | 2.8% | – |
| Walked | 0.4% ±0.4 pts | 1.6% | – |
| Worked from home | 26.7% ±4.2 pts | 20.0% | +20.1 pts |
| Mean travel time to work | 25.8 min ±2.0 | 30.8 min | −3.1 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Mukilteo?
4 census tracts lie mostly in Mukilteo, and 2 more reach into it (2020 census blocks). Their median household incomes run from $101,563 (Tract 420.06) to $172,266 (Tract 420.05).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 420.01Snohomish County | 5,577 | $143,333 |
| Tract 420.06Snohomish County | 5,558 | $101,563 |
| Tract 413.01Snohomish County | 5,673 | $129,050 |
| Tract 420.05Snohomish County | 5,106 | $172,266 |
| Tract 419.01Snohomish County | 6,681 | $88,929 |
| Tract 413.04Snohomish County | 2,719 | $109,813 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Mukilteo) · Census block assignment files
How does Mukilteo compare with other places in Washington?
By the Census Bureau's July 2025 estimates, Mukilteo is the 1,837th-most populous of the 19,476 U.S. incorporated places that have one and the 56th-most populous of 281 in Washington.
Mukilteo ranks 75th of 387 places in Washington with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 56th | 281 |
| Growth 2020-2025 (PEP) | 182nd | 203 |
| Residents per square mile | 61st | 394 |
| Median household income | 75th | 387 |
| Per capita income | 60th | 393 |
| Median home value | 40th | 384 |
| Median gross rent | 68th | 351 |
| Poverty rate | 225th | 281 |
| Bachelor's degree or higher | 34th | 382 |
| Median age | 134th | 394 |
| Owner-occupied share | 216th | 388 |
| Work from home | 55th | 307 |
| Travel time to work | 219th | 394 |
Mukilteo's figures with every place in Washington (CSV)
Every place in Washington, sortable · Compare Mukilteo with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Mukilteo?
11 of the 57 figures for Mukilteo on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Mukilteo are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Mukilteo.