Census tract · King County
Census Tract 78, King County, Washington
Census Tract 78, GEOID 53033007800, in King County, Washington, entirely within Seattle. 5,527 residents in the ACS 2020-2024 5-year estimates (±509); the 2020 Census counted 5,285.
Residents, 2020-2024
5,527
±509 (90% margin)
2020 Census count: 5,285
Median household income
$205,056
±$42,203 (90% margin)
King County: $124,746
Median home value
$1,671,000
±$280,377 (90% margin)
King County: $859,900
Median gross rent
$2,282
±$191 (90% margin)
King County: $2,092
Where is Census Tract 78?
Census Tract 78 is one of 495 census tracts in King County, Washington. It covers 0.81 square miles of land, 6,525 residents per square mile in 2020. Its GEOID, 53033007800, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Seattle | 100% |
6 census tracts border Census Tract 78: Tract 63 ($225,464), Tract 77 ($182,206), Tract 88 ($145,119), Tract 89 ($102,818), Tract 242 ($250,000 or more) and Tract 243.02 ($250,000 or more). 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 78?
The 2020-2024 American Community Survey puts Census Tract 78's population at 5,527 (±509) in 2,294 households; the 2020 Census counted 5,285 residents and 2,286 housing units.
| Measure | Tract 78 | Seattle |
|---|---|---|
| Total population | 5,527±509 | 754,195 |
| Households | 2,294±158 | 363,466 |
| Average household size | 2.39±0.16 | 2.00 |
| Housing units | 2,315±154 | 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 78?
The median resident of Census Tract 78 is 46.0 years old; 18.4% are under 18 and 21.0% are 65 or older. The largest group is non-Hispanic white residents at 69.9%, then non-Hispanic residents of two or more races at 9.5%. 12.3% of residents were born outside the United States.
| Measure | Tract 78 | Seattle |
|---|---|---|
| Median age | 46.0±2.1 | 35.6 |
| Under 18 years | 18.4%±2.7 pts | 13.8% |
| 65 years and over | 21.0%±3.1 pts | 13.0% |
| Hispanic or Latino (any race) | 4.9%±2.8 pts | 8.5% |
| White alone, not Hispanic | 69.9%±7.0 pts | 58.8% |
| Black or African American alone, not Hispanic | 8.9%±4.4 pts | 6.4% |
| Asian alone, not Hispanic | 6.8%±2.2 pts | 17.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.7 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.7 pts | 0.2% |
| Two or more races, not Hispanic | 9.5%±3.5 pts | 7.7% |
| Some other race alone, not Hispanic | 0.0%±0.7 pts | 0.6% |
| Born outside the United States | 12.3%±4.3 pts | 20.2% |
| Speak a language other than English at home (age 5+) | 17.1%±6.8 pts | 23.7% |
| Civilian veterans (age 18+) | 3.4%±2.3 pts | 3.3% |
| With a disability | 8.1%±2.7 pts | 10.3% |
| No health insurance coverage | 3.8%±3.9 pts | 4.2% |
| High school graduate or higher (age 25+) | 98.3%±1.4 pts | 96.0% |
| Bachelor's degree or higher (age 25+) | 79.9%±6.7 pts | 68.4% |
| Graduate or professional degree (age 25+) | 49.8%±7.1 pts | 30.6% |
| Lived in the same house a year earlier | 87.3%±4.3 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 78 earn?
Half of the 2,294 households in Census Tract 78 earn less than $205,056 a year (±$42,203), against $124,746 across King County: 52nd highest of the county's 491 tracts with a reliable estimate. 5.6% of residents live below the poverty line.
| Measure | Tract 78 | Seattle |
|---|---|---|
| Median household income | $205,056±$42,203 | $123,860 |
| Mean household income | $344,698±$61,460 | $175,209 |
| Per capita income | $144,783±$24,893 | $86,095 |
| People below the poverty line | 5.6%±3.3 pts | 9.9% |
| Children under 18 below the poverty line | 4.5%±6.5 pts | 9.3% |
| Households receiving SNAP | 3.4%±3.2 pts | 7.4% |
| Households with a computer | 99.3%±1.2 pts | 98.2% |
| Households with a broadband subscription | 98.5%±1.7 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 78?
Owners occupy 82.0% of Census Tract 78's occupied homes and renters 18.0%. The median owner-occupied home is valued at $1,671,000 by its owner (±$280,377). The median renter pays $2,282 a month including utilities, and 35.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 78 | Seattle |
|---|---|---|
| Median home value (owner-occupied) | $1,671,000±$280,377 | $938,600 |
| Median gross rent | $2,282±$191 | $2,030 |
| Renters paying 35% or more of income on rent | 35.0%±15.6 pts | 35.0% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $3,505 |
| Owner-occupied homes | 82.0%±6.6 pts | 43.7% |
| Renter-occupied homes | 18.0%±6.6 pts | 56.3% |
| Housing units | 2,315±154 | 393,918 |
| Single-family detached homes | 82.8%±5.9 pts | 36.8% |
| Mobile homes | 0.0%±1.7 pts | 0.1% |
| Built 2020 or later | 1.1%±1.7 pts | 2.4% |
| Built 2010 to 2019 | 9.3%±4.4 pts | 18.6% |
| Built 1939 or earlier | 56.8%±7.9 pts | 22.8% |
| Households with no vehicle | 2.3%±2.3 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 78 get to work?
33.3% of Census Tract 78's workers drive alone and 40.2% work from home. The average trip to work takes 22.8 minutes. The unemployment rate in 2020-2024 averaged 5.9%.
| Measure | Tract 78 | Seattle |
|---|---|---|
| In the labor force (age 16+) | 63.0%±4.8 pts | 74.2% |
| Unemployment rate | 5.9%±3.1 pts | 4.6% |
| Drove alone to work | 33.3%±7.2 pts | 36.7% |
| Carpooled | 2.3%±2.0 pts | 4.7% |
| Public transportation | 10.6%±7.2 pts | 11.9% |
| Walked | 5.9%±3.2 pts | 8.1% |
| Worked from home | 40.2%±7.1 pts | 34.8% |
| Mean travel time to work | 22.8 min±3.3 | 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 78 compare with the other tracts in King County?
Among King County's tracts with a reliable estimate, Census Tract 78 ranks as shown below (1 = highest).
| Measure | In King County | In Seattle |
|---|---|---|
| Population | 126th of 494 | 27th of 177 |
| Residents per square mile | 194th of 494 | 141st of 177 |
| Median household income | 52nd of 491 | 11th of 174 |
| Per capita income | 13th of 494 | 4th of 177 |
| Median home value | 22nd of 481 | 3rd of 166 |
| Median gross rent | 197th of 483 | 50th of 176 |
| Poverty rate | 239th of 316 | 106th of 136 |
| Bachelor's degree or higher | 69th of 494 | 44th of 177 |
| Median age | 38th of 494 | 7th of 177 |
| Owner-occupied share | 101st of 483 | 13th of 168 |
The tracts next to it on King County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 229.02 | 49th | $211,797±$29,837 · within the margin of this tract |
| Tract 323.23 | 50th | $210,804±$56,030 · within the margin of this tract |
| Tract 231 | 51st | $206,705±$37,124 · within the margin of this tract |
| Tract 78 | 52nd | $205,056±$42,203 |
| Tract 73.02 | 53rd | $205,021±$40,512 · within the margin of this tract |
| Tract 223 | 54th | $204,844±$29,838 · within the margin of this tract |
| Tract 326.05 | 55th | $201,694±$38,375 · 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 78?
Every figure for Census Tract 78 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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