Census tract · King County
Census Tract 109, King County, Washington
Census Tract 109, GEOID 53033010900, in King County, Washington, mostly within Seattle (96% of its census blocks). 1,295 residents in the ACS 2020-2024 5-year estimates (±145); the 2020 Census counted 1,457.
Residents, 2020-2024
1,295
±145 (90% margin)
2020 Census count: 1,457
Median household income
$79,750
±$71,180 (90% margin)
King County: $124,746
Median home value
$650,500
±$33,273 (90% margin)
King County: $859,900
Median gross rent
$1,616
±$245 (90% margin)
King County: $2,092
Where is Census Tract 109?
Census Tract 109 is one of 495 census tracts in King County, Washington. It covers 2.08 square miles of land, 700 residents per square mile in 2020. Its GEOID, 53033010900, names it uniquely (how tract numbers and GEOIDs work).
8 census tracts border Census Tract 109: Tract 93 ($124,318), Tract 104.02 ($112,400), Tract 108 ($155,865), Tract 110.02 ($94,648), Tract 112 ($109,805), Tract 117 ($93,090), Tract 263 ($89,483) and Tract 264 ($79,378). 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 109?
The 2020-2024 American Community Survey puts Census Tract 109's population at 1,295 (±145) in 766 households; the 2020 Census counted 1,457 residents and 802 housing units.
| Measure | Tract 109 | Seattle |
|---|---|---|
| Total population | 1,295±145 | 754,195 |
| Households | 766±102 | 363,466 |
| Average household size | 1.69±0.16 | 2.00 |
| Housing units | 844±103 | 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 109?
The median resident of Census Tract 109 is 38.7 years old; 5.6% are under 18 and 17.2% are 65 or older. The largest group is non-Hispanic white residents at 60.2%, then non-Hispanic Asian residents at 14.0%.
| Measure | Tract 109 | Seattle |
|---|---|---|
| Median age | 38.7±3.4 | 35.6 |
| Under 18 years | 5.6%±2.8 pts | 13.8% |
| 65 years and over | 17.2%±7.2 pts | 13.0% |
| Hispanic or Latino (any race) | 10.7%±7.5 pts | 8.5% |
| White alone, not Hispanic | 60.2%±7.0 pts | 58.8% |
| Black or African American alone, not Hispanic | 2.8%±1.7 pts | 6.4% |
| Asian alone, not Hispanic | 14.0%±8.2 pts | 17.5% |
| American Indian and Alaska Native alone, not Hispanic | 2.0%±2.5 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±3.0 pts | 0.2% |
| Two or more races, not Hispanic | 9.7%±4.8 pts | 7.7% |
| Some other race alone, not Hispanic | 0.5%±0.8 pts | 0.6% |
| Born outside the United States | 10.5%±7.2 pts | 20.2% |
| Speak a language other than English at home (age 5+) | 14.8%±8.6 pts | 23.7% |
| Civilian veterans (age 18+) | 3.8%±2.9 pts | 3.3% |
| With a disability | 16.2%±6.0 pts | 10.3% |
| No health insurance coverage | 10.1%±4.8 pts | 4.2% |
| High school graduate or higher (age 25+) | 93.0%±4.4 pts | 96.0% |
| Bachelor's degree or higher (age 25+) | 50.0%±8.3 pts | 68.4% |
| Graduate or professional degree (age 25+) | 10.0%±4.3 pts | 30.6% |
| Lived in the same house a year earlier | 80.3%±9.1 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 109 earn?
The median household income for Census Tract 109 is published as $79,750 with a margin of ±$71,180, too wide to rely on. 17.8% of residents live below the poverty line.
| Measure | Tract 109 | Seattle |
|---|---|---|
| Median household income | $79,750±$71,180 | $123,860 |
| Mean household income | $131,773±$29,979 | $175,209 |
| Per capita income | $79,898±$15,141 | $86,095 |
| People below the poverty line | 17.8%±9.6 pts | 9.9% |
| Children under 18 below the poverty line | 0.0%±38.5 pts | 9.3% |
| Households receiving SNAP | 13.2%±7.0 pts | 7.4% |
| Households with a computer | 91.1%±7.2 pts | 98.2% |
| Households with a broadband subscription | 81.3%±13.2 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 109?
Owners occupy 56.1% of Census Tract 109's occupied homes and renters 43.9%. The median owner-occupied home is valued at $650,500 by its owner (±$33,273). The median renter pays $1,616 a month including utilities, and 41.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 109 | Seattle |
|---|---|---|
| Median home value (owner-occupied) | $650,500±$33,273 | $938,600 |
| Median gross rent | $1,616±$245 | $2,030 |
| Renters paying 35% or more of income on rent | 41.0%±16.5 pts | 35.0% |
| Median monthly owner costs, with a mortgage | $3,454±$356 | $3,505 |
| Owner-occupied homes | 56.1%±11.0 pts | 43.7% |
| Renter-occupied homes | 43.9%±11.0 pts | 56.3% |
| Housing units | 844±103 | 393,918 |
| Single-family detached homes | 47.6%±9.4 pts | 36.8% |
| Mobile homes | 0.0%±4.6 pts | 0.1% |
| Built 2020 or later | 2.3%±2.0 pts | 2.4% |
| Built 2010 to 2019 | 16.6%±6.0 pts | 18.6% |
| Built 1939 or earlier | 46.6%±11.5 pts | 22.8% |
| Households with no vehicle | 15.0%±6.5 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 109 get to work?
48.2% of Census Tract 109's workers drive alone and 27.1% work from home. The average trip to work takes 25.1 minutes.
| Measure | Tract 109 | Seattle |
|---|---|---|
| In the labor force (age 16+) | 77.7%±7.8 pts | 74.2% |
| Unemployment rate | 3.3%±4.2 pts | 4.6% |
| Drove alone to work | 48.2%±9.4 pts | 36.7% |
| Carpooled | 1.8%±2.0 pts | 4.7% |
| Public transportation | 9.6%±4.0 pts | 11.9% |
| Walked | 10.7%±5.6 pts | 8.1% |
| Worked from home | 27.1%±6.7 pts | 34.8% |
| Mean travel time to work | 25.1 min±3.7 | 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 109 compare with the other tracts in King County?
Among King County's tracts with a reliable estimate, Census Tract 109 ranks as shown below (1 = highest).
| Measure | In King County | In Seattle |
|---|---|---|
| Population | 494th of 494 | 177th of 177 |
| Residents per square mile | 467th of 494 | 177th of 177 |
| Per capita income | 207th of 494 | 111th of 177 |
| Median home value | 345th of 481 | 142nd of 166 |
| Median gross rent | 442nd of 483 | 160th of 176 |
| Poverty rate | 46th of 316 | 24th of 136 |
| Bachelor's degree or higher | 309th of 494 | 153rd of 177 |
| Median age | 235th of 494 | 63rd of 177 |
| Owner-occupied share | 287th of 483 | 71st of 168 |
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 109?
2 of the 18 figures for Census Tract 109 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