Census tract · King County
Census Tract 18, King County, Washington
Census Tract 18, GEOID 53033001800, in King County, Washington, entirely within Seattle. 4,996 residents in the ACS 2020-2024 5-year estimates (±697); the 2020 Census counted 5,109.
Residents, 2020-2024
4,996
±697 (90% margin)
2020 Census count: 5,109
Median household income
$130,855
±$30,846 (90% margin)
King County: $124,746
Median home value
$869,500
±$62,157 (90% margin)
King County: $859,900
Median gross rent
$1,944
±$186 (90% margin)
King County: $2,092
Where is Census Tract 18?
Census Tract 18 is one of 495 census tracts in King County, Washington. It covers 0.37 square miles of land, 13,997 residents per square mile in 2020. Its GEOID, 53033001800, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Seattle | 100% |
5 census tracts border Census Tract 18: Tract 13 ($115,208), Tract 17.01 ($134,375), Tract 19 ($141,494), Tract 27 ($212,544) and Tract 28 ($139,955). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 18?
The 2020-2024 American Community Survey puts Census Tract 18's population at 4,996 (±697) in 2,561 households; the 2020 Census counted 5,109 residents and 2,466 housing units.
| Measure | Tract 18 | Seattle |
|---|---|---|
| Total population | 4,996±697 | 754,195 |
| Households | 2,561±249 | 363,466 |
| Average household size | 1.95±0.22 | 2.00 |
| Housing units | 2,794±262 | 393,918 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 18?
The median resident of Census Tract 18 is 30.7 years old; 9.0% are under 18 and 3.9% are 65 or older. The largest group is non-Hispanic white residents at 62.7%, then non-Hispanic Asian residents at 19.7%. 28.4% of residents were born outside the United States.
| Measure | Tract 18 | Seattle |
|---|---|---|
| Median age | 30.7±1.7 | 35.6 |
| Under 18 years | 9.0%±3.8 pts | 13.8% |
| 65 years and over | 3.9%±1.0 pts | 13.0% |
| Hispanic or Latino (any race) | 6.0%±3.3 pts | 8.5% |
| White alone, not Hispanic | 62.7%±8.4 pts | 58.8% |
| Black or African American alone, not Hispanic | 1.9%±2.0 pts | 6.4% |
| Asian alone, not Hispanic | 19.7%±9.7 pts | 17.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.8 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 2.1%±1.8 pts | 0.2% |
| Two or more races, not Hispanic | 7.0%±2.8 pts | 7.7% |
| Some other race alone, not Hispanic | 0.6%±1.0 pts | 0.6% |
| Born outside the United States | 28.4%±9.3 pts | 20.2% |
| Speak a language other than English at home (age 5+) | 24.5%±8.4 pts | 23.7% |
| Civilian veterans (age 18+) | 1.3%±1.6 pts | 3.3% |
| With a disability | 5.4%±2.7 pts | 10.3% |
| No health insurance coverage | 4.1%±2.2 pts | 4.2% |
| High school graduate or higher (age 25+) | 100.0%±1.0 pts | 96.0% |
| Bachelor's degree or higher (age 25+) | 70.1%±8.1 pts | 68.4% |
| Graduate or professional degree (age 25+) | 22.7%±6.2 pts | 30.6% |
| Lived in the same house a year earlier | 78.4%±8.6 pts | 78.1% |
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 Census Tract 18 earn?
Half of the 2,561 households in Census Tract 18 earn less than $130,855 a year (±$30,846), against $124,746 across King County: 240th highest of the county's 491 tracts with a reliable estimate.
| Measure | Tract 18 | Seattle |
|---|---|---|
| Median household income | $130,855±$30,846 | $123,860 |
| Mean household income | $184,817±$24,290 | $175,209 |
| Per capita income | $95,969±$16,044 | $86,095 |
| People below the poverty line | 4.9%±4.3 pts | 9.9% |
| Children under 18 below the poverty line | 0.0%±8.5 pts | 9.3% |
| Households receiving SNAP | 4.5%±3.8 pts | 7.4% |
| Households with a computer | 98.4%±1.9 pts | 98.2% |
| Households with a broadband subscription | 96.6%±2.8 pts | 94.5% |
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 Census Tract 18?
Owners occupy 35.7% of Census Tract 18's occupied homes and renters 64.3%. The median owner-occupied home is valued at $869,500 by its owner (±$62,157). The median renter pays $1,944 a month including utilities, and 31.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 18 | Seattle |
|---|---|---|
| Median home value (owner-occupied) | $869,500±$62,157 | $938,600 |
| Median gross rent | $1,944±$186 | $2,030 |
| Renters paying 35% or more of income on rent | 31.0%±10.6 pts | 35.0% |
| Median monthly owner costs, with a mortgage | $3,488±$329 | $3,505 |
| Owner-occupied homes | 35.7%±7.3 pts | 43.7% |
| Renter-occupied homes | 64.3%±7.3 pts | 56.3% |
| Housing units | 2,794±262 | 393,918 |
| Single-family detached homes | 29.1%±6.4 pts | 36.8% |
| Mobile homes | 0.0%±1.4 pts | 0.1% |
| Built 2020 or later | 0.9%±1.4 pts | 2.4% |
| Built 2010 to 2019 | 14.9%±6.4 pts | 18.6% |
| Built 1939 or earlier | 7.3%±4.5 pts | 22.8% |
| Households with no vehicle | 15.4%±6.1 pts | 19.0% |
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 do people in Census Tract 18 get to work?
48.6% of Census Tract 18's workers drive alone and 25.8% work from home. The average trip to work takes 24.4 minutes.
| Measure | Tract 18 | Seattle |
|---|---|---|
| In the labor force (age 16+) | 87.9%±6.0 pts | 74.2% |
| Unemployment rate | 2.3%±1.7 pts | 4.6% |
| Drove alone to work | 48.6%±6.9 pts | 36.7% |
| Carpooled | 3.0%±2.5 pts | 4.7% |
| Public transportation | 14.1%±5.0 pts | 11.9% |
| Walked | 5.3%±3.7 pts | 8.1% |
| Worked from home | 25.8%±6.7 pts | 34.8% |
| Mean travel time to work | 24.4 min±2.7 | 26.0 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
How does Census Tract 18 compare with the other tracts in King County?
Among King County's tracts with a reliable estimate, Census Tract 18 ranks as shown below (1 = highest).
| Measure | In King County | In Seattle |
|---|---|---|
| Population | 174th of 494 | 42nd of 177 |
| Residents per square mile | 66th of 494 | 61st of 177 |
| Median household income | 240th of 491 | 82nd of 174 |
| Per capita income | 121st of 494 | 62nd of 177 |
| Median home value | 227th of 481 | 94th of 166 |
| Median gross rent | 329th of 483 | 115th of 176 |
| Bachelor's degree or higher | 172nd of 494 | 99th of 177 |
| Median age | 464th of 494 | 155th of 177 |
| Owner-occupied share | 391st of 483 | 110th of 168 |
The tracts next to it on King County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 32.01 | 237th | $131,544±$25,113 · within the margin of this tract |
| Tract 33.01 | 238th | $131,353±$15,928 · within the margin of this tract |
| Tract 218.03 | 239th | $131,090±$17,441 · within the margin of this tract |
| Tract 18 | 240th | $130,855±$30,846 |
| Tract 316.01 | 241st | $130,739±$15,029 · within the margin of this tract |
| Tract 277.02 | 242nd | $130,625±$12,220 · within the margin of this tract |
| Tract 253.04 | 243rd | $130,521±$33,053 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 18?
2 of the 18 figures for Census Tract 18 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.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections