Census tract · King County
Census Tract 321.02, King County, Washington
Census Tract 321.02, GEOID 53033032102, in King County, Washington, partly within Mirrormont, Issaquah and Hobart. 4,973 residents in the ACS 2020-2024 5-year estimates (±615); the 2020 Census counted 4,883.
Residents, 2020-2024
4,973
±615 (90% margin)
2020 Census count: 4,883
Median household income
$165,341
±$27,301 (90% margin)
King County: $124,746
Median home value
$957,900
±$42,628 (90% margin)
King County: $859,900
Median gross rent
$2,162
±$492 (90% margin)
King County: $2,092
Where is Census Tract 321.02?
Census Tract 321.02 is one of 495 census tracts in King County, Washington. It covers 30.78 square miles of land, 159 residents per square mile in 2020. Its GEOID, 53033032102, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mirrormont | 39% |
| Issaquah | 7% |
| Hobart | 2% |
9 census tracts border Census Tract 321.02: Tract 319.04 ($134,858), Tract 320.02 ($139,111), Tract 320.03 ($159,125), Tract 321.03 ($121,685), Tract 321.04 ($140,219), Tract 322.20 ($169,917), Tract 322.21 ($250,000 or more), Tract 326.04 ($198,526) and Tract 327.05 ($175,827). 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 321.02?
The 2020-2024 American Community Survey puts Census Tract 321.02's population at 4,973 (±615) in 1,923 households; the 2020 Census counted 4,883 residents and 1,940 housing units.
| Measure | Tract 321.02 | King County |
|---|---|---|
| Total population | 4,973±615 | 2,287,171 |
| Households | 1,923±203 | 941,054 |
| Average household size | 2.58±0.21 | 2.39 |
| Housing units | 1,987±190 | 1,003,284 |
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 321.02?
The median resident of Census Tract 321.02 is 47.1 years old; 18.1% are under 18 and 21.5% are 65 or older. The largest group is non-Hispanic white residents at 83.1%, then non-Hispanic residents of two or more races at 6.0%. 7.4% of residents were born outside the United States.
| Measure | Tract 321.02 | King County |
|---|---|---|
| Median age | 47.1±3.5 | 37.4 |
| Under 18 years | 18.1%±3.2 pts | 19.5% |
| 65 years and over | 21.5%±4.2 pts | 14.0% |
| Hispanic or Latino (any race) | 5.6%±2.8 pts | 11.0% |
| White alone, not Hispanic | 83.1%±5.1 pts | 52.9% |
| Black or African American alone, not Hispanic | 1.3%±1.4 pts | 6.4% |
| Asian alone, not Hispanic | 4.0%±2.2 pts | 20.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.8 pts | 0.4% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.8 pts | 0.7% |
| Two or more races, not Hispanic | 6.0%±3.1 pts | 7.3% |
| Some other race alone, not Hispanic | 0.0%±0.8 pts | 0.6% |
| Born outside the United States | 7.4%±2.6 pts | 25.8% |
| Speak a language other than English at home (age 5+) | 13.3%±3.7 pts | 31.1% |
| Civilian veterans (age 18+) | 6.9%±3.0 pts | 4.5% |
| With a disability | 14.8%±5.6 pts | 10.3% |
| No health insurance coverage | 3.3%±2.9 pts | 5.2% |
| High school graduate or higher (age 25+) | 93.3%±4.5 pts | 93.8% |
| Bachelor's degree or higher (age 25+) | 60.8%±7.0 pts | 56.7% |
| Graduate or professional degree (age 25+) | 25.0%±5.1 pts | 24.2% |
| Lived in the same house a year earlier | 84.0%±6.4 pts | 83.3% |
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 321.02 earn?
Half of the 1,923 households in Census Tract 321.02 earn less than $165,341 a year (±$27,301), against $124,746 across King County: 130th highest of the county's 491 tracts with a reliable estimate. 6.9% of residents live below the poverty line.
| Measure | Tract 321.02 | King County |
|---|---|---|
| Median household income | $165,341±$27,301 | $124,746 |
| Mean household income | $193,989±$19,766 | $176,799 |
| Per capita income | $74,893±$8,013 | $74,100 |
| People below the poverty line | 6.9%±3.6 pts | 8.6% |
| Children under 18 below the poverty line | 2.4%±3.8 pts | 9.7% |
| Households receiving SNAP | 3.1%±2.0 pts | 8.2% |
| Households with a computer | 97.9%±1.7 pts | 98.1% |
| Households with a broadband subscription | 96.6%±2.3 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 Census Tract 321.02?
Owners occupy 94.8% of Census Tract 321.02's occupied homes and renters 5.2%. The median owner-occupied home is valued at $957,900 by its owner (±$42,628). The median renter pays $2,162 a month including utilities.
| Measure | Tract 321.02 | King County |
|---|---|---|
| Median home value (owner-occupied) | $957,900±$42,628 | $859,900 |
| Median gross rent | $2,162±$492 | $2,092 |
| Renters paying 35% or more of income on rent | 40.7%±31.0 pts | 37.5% |
| Median monthly owner costs, with a mortgage | $3,725±$282 | $3,273 |
| Owner-occupied homes | 94.8%±2.9 pts | 55.4% |
| Renter-occupied homes | 5.2%±2.9 pts | 44.6% |
| Housing units | 1,987±190 | 1,003,284 |
| Single-family detached homes | 88.6%±4.5 pts | 50.0% |
| Mobile homes | 10.0%±4.4 pts | 1.4% |
| Built 2020 or later | 2.0%±2.7 pts | 2.1% |
| Built 2010 to 2019 | 2.4%±1.7 pts | 14.2% |
| Built 1939 or earlier | 0.0%±2.0 pts | 10.9% |
| Households with no vehicle | 2.4%±3.1 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 Census Tract 321.02 get to work?
48.8% of Census Tract 321.02's workers drive alone and 43.2% work from home. The average trip to work takes 33.3 minutes.
| Measure | Tract 321.02 | King County |
|---|---|---|
| In the labor force (age 16+) | 62.1%±5.3 pts | 69.9% |
| Unemployment rate | 6.2%±5.4 pts | 4.8% |
| Drove alone to work | 48.8%±6.4 pts | 50.4% |
| Carpooled | 4.0%±2.6 pts | 7.0% |
| Public transportation | 1.3%±1.4 pts | 6.8% |
| Walked | 0.3%±0.6 pts | 4.3% |
| Worked from home | 43.2%±7.2 pts | 29.2% |
| Mean travel time to work | 33.3 min±3.9 | 27.6 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 321.02 compare with the other tracts in King County?
Among King County's tracts with a reliable estimate, Census Tract 321.02 ranks as shown below (1 = highest).
| Measure | In King County |
|---|---|
| Population | 179th of 494 |
| Residents per square mile | 487th of 494 |
| Median household income | 130th of 491 |
| Per capita income | 231st of 494 |
| Median home value | 179th of 481 |
| Median gross rent | 245th of 483 |
| Poverty rate | 202nd of 316 |
| Bachelor's degree or higher | 248th of 494 |
| Median age | 31st of 494 |
| Owner-occupied share | 11th of 483 |
The tracts next to it on King County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 87 | 127th | $166,585±$29,710 · within the margin of this tract |
| Tract 240.02 | 128th | $166,410±$38,194 · within the margin of this tract |
| Tract 226.06 | 129th | $165,707±$28,761 · within the margin of this tract |
| Tract 321.02 | 130th | $165,341±$27,301 |
| Tract 73.03 | 131st | $164,819±$23,260 · within the margin of this tract |
| Tract 46 | 132nd | $164,550±$23,854 · within the margin of this tract |
| Tract 228.05 | 133rd | $163,936±$20,617 · 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 321.02?
1 of the 18 figures for Census Tract 321.02 on this page carries a coefficient of variation over 40% and is 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