Town · Washington
Steilacoom, Washington
Steilacoom, town, in Pierce County, Washington. Steilacoom had 6,648 residents on July 1, 2025 by the Census Bureau's estimate, down 1.2% since 2020; the 2020 Census counted 6,727 and the ACS 2020-2024 5-year estimates put it at 6,686 (±24). GEOID 5367770.
Residents, July 2025 estimate
6,648
Census Bureau estimate (no margin published)
2020 Census count: 6,727 · ACS 2020-2024: 6,686 ±24
Median household income
$100,851
±$11,495 (90% margin)
Washington: $98,141
Median home value
$655,000
±$28,101 (90% margin)
Washington: $564,600
Median gross rent
$1,818
±$94 (90% margin)
Washington: $1,760
Where is Steilacoom and what county is it in?
Steilacoom is a town in Pierce County, Washington. It covers 2.0 square miles of land, 3,345 residents per square mile in 2020.
Steilacoom 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 Steilacoom, and is it growing?
The Census Bureau estimates that 6,648 people lived in Steilacoom on July 1, 2025, down 1.2% since 2020, while Washington grew 3.8%. The 2020 Census counted 6,727 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 6,686 (±24).
| Measure | Steilacoom | Pierce County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 6,686 ±24 | 930,319 | +383 |
| Households | 2,813 ±158 | 351,330 | +318 |
| Average household size | 2.37 ±0.13 | 2.59 | no clear change |
| Housing units | 2,889 ±166 | 369,709 | no clear change |
Steilacoom's population since 2000
From 6,049 in 2000 to 6,648 in 2025: up 9.9%. The 2000, 2010 and 2020 figures are census counts, each for Steilacoom 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 Steilacoom?
The median resident of Steilacoom is 39.8 years old; 20.3% are under 18 and 19.0% are 65 or older. The largest group is non-Hispanic white residents at 68.2%, then Hispanic or Latino residents (of any race) at 13.1%. 8.5% of residents were born outside the United States.
| Measure | Steilacoom | Pierce County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.8 ±2.9 | 37.0 | no clear change |
| Under 18 years | 20.3% ±3.2 pts | 23.0% | – |
| 65 years and over | 19.0% ±2.4 pts | 14.8% | – |
| Male | 46.9% ±3.3 pts | 50.2% | – |
| Hispanic or Latino (any race) | 13.1% ±6.3 pts | 12.8% | no clear change |
| White alone, not Hispanic | 68.2% ±7.6 pts | 61.4% | no clear change |
| Black or African American alone, not Hispanic | 4.4% ±2.6 pts | 7.0% | no clear change |
| Asian alone, not Hispanic | 5.0% ±1.5 pts | 6.8% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.6 pts | 0.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 1.6% | – |
| Two or more races, not Hispanic | 9.1% ±3.4 pts | 9.2% | – |
| Some other race alone, not Hispanic | 0.2% ±0.2 pts | 0.6% | – |
| Born outside the United States | 8.5% ±2.4 pts | 10.9% | no clear change |
| Speak a language other than English at home (age 5+) | 10.2% ±3.0 pts | 16.3% | – |
| Civilian veterans (age 18+) | 16.7% ±2.7 pts | 10.9% | – |
| With a disability | 12.5% ±2.0 pts | 14.1% | – |
| No health insurance coverage | 4.3% ±1.9 pts | 5.9% | no clear change |
| High school graduate or higher (age 25+) | 93.0% ±2.3 pts | 92.5% | – |
| Bachelor's degree or higher (age 25+) | 47.8% ±4.5 pts | 30.9% | no clear change |
| Graduate or professional degree (age 25+) | 23.1% ±3.9 pts | 11.3% | – |
| Lived in the same house a year earlier | 86.0% ±3.9 pts | 84.9% | – |
| Moved from another state in the past year | 4.8% ±2.4 pts | 2.9% | – |
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 Steilacoom earn?
Half of Steilacoom's 2,813 households earn less than $100,851 a year (±$11,495), against $99,564 in Pierce County and $98,141 in Washington. In 2015-2019 it was $101,323 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.1% of residents live below the poverty line.
| Measure | Steilacoom | Pierce County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $100,851 ±$11,495 | $99,564 | no clear change |
| Mean household income | $131,090 ±$13,685 | $124,488 | – |
| Per capita income | $54,613 ±$6,714 | $47,648 | no clear change |
| People below the poverty line | 11.1% ±5.6 pts | 8.8% | no clear change |
| Children under 18 below the poverty line | 15.4% ±12.3 pts | 10.2% | – |
| Households receiving SNAP | 11.1% ±5.3 pts | 12.3% | – |
| Households with a computer | 97.5% ±1.8 pts | 97.3% | – |
| Households with a broadband subscription | 97.3% ±1.5 pts | 94.6% | – |
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 Steilacoom?
Owners occupy 62.9% of Steilacoom's occupied homes and renters 37.1%. The median owner-occupied home is valued at $655,000 by its owner (±$28,101). The median renter pays $1,818 a month including utilities, and 37.3% of renters pay 35% or more of their income on rent.
| Measure | Steilacoom | Pierce County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $655,000 ±$28,101 | $526,600 | +$210,350 |
| Median gross rent | $1,818 ±$94 | $1,806 | +$400 |
| Renters paying 35% or more of income on rent | 37.3% ±12.5 pts | 42.6% | no clear change |
| Median monthly owner costs, with a mortgage | $2,777 ±$189 | $2,423 | – |
| Owner-occupied homes | 62.9% ±6.5 pts | 64.7% | no clear change |
| Renter-occupied homes | 37.1% ±6.5 pts | 35.3% | – |
| Housing units | 2,889 ±166 | 369,709 | no clear change |
| Homeowner vacancy rate | 0.0% ±2.2 pts | 0.5% | – |
| Rental vacancy rate | 0.9% ±1.8 pts | 4.1% | – |
| Single-family detached homes | 63.4% ±5.9 pts | 65.2% | – |
| Mobile homes | 0.3% ±0.5 pts | 4.5% | – |
| Built 2020 or later | 0.5% ±0.8 pts | 2.2% | – |
| Built 2010 to 2019 | 6.3% ±2.7 pts | 11.0% | – |
| Built 1939 or earlier | 5.7% ±2.4 pts | 10.1% | – |
| Households with no vehicle | 2.9% ±2.4 pts | 5.4% | – |
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 Steilacoom building?
Builders took permits for 10 new housing units in Steilacoom in 2025 (8 in single-family houses), 1.5 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 Steilacoom work and get to work?
62.7% of Steilacoom's workers drive alone and 22.6% work from home. The average trip to work takes 27.6 minutes. The unemployment rate in 2020-2024 averaged 6.0%.
| Measure | Steilacoom | Pierce County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.5% ±3.4 pts | 66.3% | – |
| Unemployment rate | 6.0% ±3.1 pts | 5.2% | no clear change |
| Drove alone to work | 62.7% ±6.9 pts | 70.7% | – |
| Carpooled | 9.0% ±3.6 pts | 9.7% | – |
| Public transportation | 3.7% ±2.5 pts | 2.1% | – |
| Walked | 1.6% ±1.1 pts | 2.2% | – |
| Worked from home | 22.6% ±5.0 pts | 13.9% | +19.2 pts |
| Mean travel time to work | 27.6 min ±3.4 | 31.3 min | no clear change |
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 Steilacoom?
2 census tracts lie mostly in Steilacoom, and 2 more reach into it (2020 census blocks). Their median household incomes run from $100,046 (Tract 721.09) to $102,143 (Tract 721.11).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 721.09Pierce County | 3,801 | $100,046 |
| Tract 721.11Pierce County | 2,810 | $102,143 |
| Tract 721.12Pierce County | 5,005 | $99,082 |
| Tract 721.05Pierce County | 5,918 | $102,639 |
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 Steilacoom) · Census block assignment files
How does Steilacoom compare with other places in Washington?
By the Census Bureau's July 2025 estimates, Steilacoom is the 4,182nd-most populous of the 19,476 U.S. incorporated places that have one and the 114th-most populous of 281 in Washington.
Steilacoom ranks 160th 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 | 114th | 281 |
| Growth 2020-2025 (PEP) | 177th | 203 |
| Residents per square mile | 65th | 394 |
| Median household income | 160th | 387 |
| Per capita income | 108th | 393 |
| Median home value | 112th | 384 |
| Median gross rent | 129th | 351 |
| Poverty rate | 129th | 281 |
| Bachelor's degree or higher | 78th | 382 |
| Median age | 193rd | 394 |
| Owner-occupied share | 266th | 388 |
| Work from home | 92nd | 307 |
| Travel time to work | 184th | 394 |
Steilacoom's figures with every place in Washington (CSV)
Every place in Washington, sortable · Compare Steilacoom 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 Steilacoom?
11 of the 57 figures for Steilacoom 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 Steilacoom 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 Steilacoom.