Census-designated place · Washington
Union Hill-Novelty Hill, Washington
Union Hill-Novelty Hill, census-designated place, in King County, Washington. Union Hill-Novelty Hill had 23,047 people in the ACS 2020-2024 5-year estimates (±1,494). GEOID 5373307.
Residents, 2020-2024
23,047
±1,494 (90% margin)
2020 Census count: 22,683
Median household income
$185,369
±$21,704 (90% margin)
Washington: $98,141
Median home value
$1,218,500
±$43,129 (90% margin)
Washington: $564,600
Median gross rent
$2,556
±$338 (90% margin)
Washington: $1,760
Where is Union Hill-Novelty Hill and what county is it in?
Union Hill-Novelty Hill is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in King County, Washington. It covers 24.2 square miles of land, 936 residents per square mile in 2020.
Union Hill-Novelty Hill 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 Union Hill-Novelty Hill, and is it growing?
The 2020-2024 American Community Survey puts Union Hill-Novelty Hill's population at 23,047 (±1,494). The 2020 Census counted 22,683 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Union Hill-Novelty Hill is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Union Hill-Novelty Hill | King County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 23,047 ±1,494 | 2,287,171 | no clear change |
| Households | 8,379 ±480 | 941,054 | no clear change |
| Average household size | 2.75 ±0.09 | 2.39 | no clear change |
| Housing units | 8,615 ±486 | 1,003,284 | no clear change |
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 Union Hill-Novelty Hill?
The median resident of Union Hill-Novelty Hill is 43.9 years old; 26.2% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 56.5%, then non-Hispanic Asian residents at 29.1%. 32.6% of residents were born outside the United States.
| Measure | Union Hill-Novelty Hill | King County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.9 ±1.4 | 37.4 | no clear change |
| Under 18 years | 26.2% ±1.6 pts | 19.5% | – |
| 65 years and over | 20.6% ±2.4 pts | 14.0% | – |
| Male | 49.2% ±1.7 pts | 50.7% | – |
| Hispanic or Latino (any race) | 5.3% ±1.4 pts | 11.0% | no clear change |
| White alone, not Hispanic | 56.5% ±4.3 pts | 52.9% | −10.0 pts |
| Black or African American alone, not Hispanic | 2.3% ±1.8 pts | 6.4% | – |
| Asian alone, not Hispanic | 29.1% ±4.5 pts | 20.5% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.2 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | 0.7% | – |
| Two or more races, not Hispanic | 5.7% ±1.3 pts | 7.3% | – |
| Some other race alone, not Hispanic | 0.9% ±1.0 pts | 0.6% | – |
| Born outside the United States | 32.6% ±4.8 pts | 25.8% | +6.1 pts |
| Speak a language other than English at home (age 5+) | 34.0% ±4.4 pts | 31.1% | – |
| Civilian veterans (age 18+) | 5.2% ±1.2 pts | 4.5% | – |
| With a disability | 7.5% ±1.2 pts | 10.3% | – |
| No health insurance coverage | 1.9% ±0.9 pts | 5.2% | no clear change |
| High school graduate or higher (age 25+) | 98.0% ±0.7 pts | 93.8% | – |
| Bachelor's degree or higher (age 25+) | 71.7% ±2.8 pts | 56.7% | no clear change |
| Graduate or professional degree (age 25+) | 34.8% ±2.8 pts | 24.2% | – |
| Lived in the same house a year earlier | 87.7% ±4.2 pts | 83.3% | – |
| Moved from another state in the past year | 1.7% ±0.9 pts | 3.5% | – |
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 Union Hill-Novelty Hill earn?
Half of Union Hill-Novelty Hill's 8,379 households earn less than $185,369 a year (±$21,704), against $124,746 in King County and $98,141 in Washington. In 2015-2019 it was $184,898 in 2024 dollars; the margins of error cannot tell the two periods apart. 5.7% of residents live below the poverty line.
| Measure | Union Hill-Novelty Hill | King County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $185,369 ±$21,704 | $124,746 | no clear change |
| Mean household income | $271,422 ±$17,429 | $176,799 | – |
| Per capita income | $99,577 ±$7,222 | $74,100 | no clear change |
| People below the poverty line | 5.7% ±2.2 pts | 8.6% | +3.4 pts |
| Children under 18 below the poverty line | 7.8% ±5.6 pts | 9.7% | – |
| Households receiving SNAP | 2.7% ±1.2 pts | 8.2% | – |
| Households with a computer | 98.8% ±0.8 pts | 98.1% | – |
| Households with a broadband subscription | 98.3% ±0.9 pts | 95.1% | – |
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 Union Hill-Novelty Hill?
Owners occupy 83.5% of Union Hill-Novelty Hill's occupied homes and renters 16.5%. The median owner-occupied home is valued at $1,218,500 by its owner (±$43,129). The median renter pays $2,556 a month including utilities, and 46.9% of renters pay 35% or more of their income on rent.
| Measure | Union Hill-Novelty Hill | King County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $1,218,500 ±$43,129 | $859,900 | +$222,869 |
| Median gross rent | $2,556 ±$338 | $2,092 | no clear change |
| Renters paying 35% or more of income on rent | 46.9% ±13.0 pts | 37.5% | no clear change |
| Median monthly owner costs, with a mortgage | $4,000 or more | $3,273 | – |
| Owner-occupied homes | 83.5% ±3.9 pts | 55.4% | no clear change |
| Renter-occupied homes | 16.5% ±3.9 pts | 44.6% | – |
| Housing units | 8,615 ±486 | 1,003,284 | no clear change |
| Homeowner vacancy rate | 1.0% ±1.3 pts | 0.7% | – |
| Rental vacancy rate | 0.0% ±2.8 pts | 5.3% | – |
| Single-family detached homes | 81.7% ±2.7 pts | 50.0% | – |
| Mobile homes | 0.8% ±0.5 pts | 1.4% | – |
| Built 2020 or later | 0.3% ±0.3 pts | 2.1% | – |
| Built 2010 to 2019 | 12.2% ±2.2 pts | 14.2% | – |
| Built 1939 or earlier | 1.8% ±1.3 pts | 10.9% | – |
| Households with no vehicle | 3.8% ±2.7 pts | 11.2% | – |
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 Union Hill-Novelty Hill work and get to work?
48.2% of Union Hill-Novelty Hill's workers drive alone and 44.7% work from home. The average trip to work takes 28.4 minutes. The unemployment rate in 2020-2024 averaged 5.8%.
| Measure | Union Hill-Novelty Hill | King County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 57.6% ±2.8 pts | 69.9% | – |
| Unemployment rate | 5.8% ±2.0 pts | 4.8% | +2.8 pts |
| Drove alone to work | 48.2% ±4.0 pts | 50.4% | – |
| Carpooled | 3.5% ±1.2 pts | 7.0% | – |
| Public transportation | 2.0% ±2.2 pts | 6.8% | – |
| Walked | 1.1% ±0.6 pts | 4.3% | – |
| Worked from home | 44.7% ±4.1 pts | 29.2% | +34.2 pts |
| Mean travel time to work | 28.4 min ±3.1 | 27.6 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 Union Hill-Novelty Hill?
5 census tracts lie mostly in Union Hill-Novelty Hill, and 2 more reach into it (2020 census blocks). Their median household incomes run from $158,929 (Tract 323.27) to $236,597 (Tract 323.32).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 323.32King County | 6,198 | $236,597 |
| Tract 323.27King County | 4,036 | $158,929 |
| Tract 323.33King County | 3,722 | $167,917 |
| Tract 323.28King County | 3,140 | $232,179 |
| Tract 323.15King County | 5,558 | $235,139 |
| Tract 323.26King County | 4,080 | $228,083 |
| Tract 323.13King County | 7,404 | $145,048 |
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 Union Hill-Novelty Hill) · Census block assignment files
How does Union Hill-Novelty Hill compare with other places in Washington?
Union Hill-Novelty Hill ranks 16th of 387 places in Washington with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 60th | 393 |
| Residents per square mile | 272nd | 394 |
| Median household income | 16th | 387 |
| Per capita income | 8th | 393 |
| Median home value | 10th | 384 |
| Median gross rent | 25th | 351 |
| Poverty rate | 225th | 281 |
| Bachelor's degree or higher | 10th | 382 |
| Median age | 116th | 394 |
| Owner-occupied share | 112th | 388 |
| Work from home | 4th | 307 |
| Travel time to work | 161st | 394 |
Union Hill-Novelty Hill's figures with every place in Washington (CSV)
Every place in Washington, sortable · Compare Union Hill-Novelty Hill 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 Union Hill-Novelty Hill?
11 of the 57 figures for Union Hill-Novelty Hill 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 Union Hill-Novelty Hill 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' school search.