Census tract · Santa Clara County
Census Tract 5091.02, Santa Clara County, California
Census Tract 5091.02, GEOID 06085509102, in Santa Clara County, California, mostly within Sunnyvale (98% of its census blocks). 4,704 residents in the ACS 2020-2024 5-year estimates (±432); the 2020 Census counted 5,094.
Residents, 2020-2024
4,704
±432 (90% margin)
2020 Census count: 5,094
Median household income
$229,505
±$37,775 (90% margin)
Santa Clara County: $164,281
Median home value
$1,273,800
±$118,744 (90% margin)
Santa Clara County: $1,490,600
Median gross rent
$3,147
±$150 (90% margin)
Santa Clara County: $2,857
Where is Census Tract 5091.02?
Census Tract 5091.02 is one of 408 census tracts in Santa Clara County, California. It covers 1.21 square miles of land, 4,213 residents per square mile in 2020. Its GEOID, 06085509102, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Sunnyvale | 98% |
| Mountain View, Santa Clara County | 2% |
11 census tracts border Census Tract 5091.02: Tract 5046.02 ($121,953), Tract 5047 ($194,917), Tract 5048.08 ($117,054), Tract 5086.01 ($195,804), Tract 5087.07 ($173,165), Tract 5088 ($143,333), Tract 5090.01 ($162,981), Tract 5091.06 ($159,951), Tract 5091.08 ($219,063), Tract 5091.09 ($250,000 or more) and Tract 5091.11 ($135,398). 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 5091.02?
The 2020-2024 American Community Survey puts Census Tract 5091.02's population at 4,704 (±432) in 2,229 households; the 2020 Census counted 5,094 residents and 2,416 housing units.
| Measure | Tract 5091.02 | Sunnyvale |
|---|---|---|
| Total population | 4,704±432 | 154,236 |
| Households | 2,229±204 | 60,293 |
| Average household size | 2.11±0.14 | 2.54 |
| Housing units | 2,372±158 | 63,239 |
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 5091.02?
The median resident of Census Tract 5091.02 is 32.0 years old; 17.0% are under 18 and 9.5% are 65 or older. The largest group is non-Hispanic Asian residents at 60.4%, then non-Hispanic white residents at 22.6%. 54.6% of residents were born outside the United States.
| Measure | Tract 5091.02 | Sunnyvale |
|---|---|---|
| Median age | 32.0±1.5 | 35.2 |
| Under 18 years | 17.0%±4.4 pts | 19.5% |
| 65 years and over | 9.5%±2.7 pts | 13.0% |
| Hispanic or Latino (any race) | 10.6%±6.0 pts | 17.0% |
| White alone, not Hispanic | 22.6%±5.4 pts | 26.5% |
| Black or African American alone, not Hispanic | 1.1%±1.0 pts | 1.5% |
| Asian alone, not Hispanic | 60.4%±7.0 pts | 49.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.6%±1.0 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.9 pts | 0.4% |
| Two or more races, not Hispanic | 3.1%±1.9 pts | 4.3% |
| Some other race alone, not Hispanic | 1.6%±2.5 pts | 0.7% |
| Born outside the United States | 54.6%±6.3 pts | 50.2% |
| Speak a language other than English at home (age 5+) | 63.2%±6.9 pts | 60.5% |
| Civilian veterans (age 18+) | 2.8%±1.8 pts | 2.7% |
| With a disability | 6.0%±3.5 pts | 7.1% |
| No health insurance coverage | 0.7%±0.6 pts | 2.9% |
| High school graduate or higher (age 25+) | 96.3%±2.5 pts | 94.4% |
| Bachelor's degree or higher (age 25+) | 83.2%±5.0 pts | 69.3% |
| Graduate or professional degree (age 25+) | 51.7%±8.4 pts | 39.2% |
| Lived in the same house a year earlier | 80.6%±5.9 pts | 80.2% |
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 5091.02 earn?
Half of the 2,229 households in Census Tract 5091.02 earn less than $229,505 a year (±$37,775), against $164,281 across Santa Clara County: 72nd highest of the county's 404 tracts with a reliable estimate. 5.5% of residents live below the poverty line.
| Measure | Tract 5091.02 | Sunnyvale |
|---|---|---|
| Median household income | $229,505±$37,775 | $186,170 |
| Mean household income | $269,075±$25,789 | $254,735 |
| Per capita income | $127,304±$15,370 | $101,185 |
| People below the poverty line | 5.5%±3.4 pts | 5.8% |
| Children under 18 below the poverty line | 2.6%±4.4 pts | 5.6% |
| Households receiving SNAP | 0.0%±1.9 pts | 3.6% |
| Households with a computer | 99.5%±0.9 pts | 99.0% |
| Households with a broadband subscription | 93.6%±2.9 pts | 96.5% |
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 5091.02?
Owners occupy 25.7% of Census Tract 5091.02's occupied homes and renters 74.3%. The median owner-occupied home is valued at $1,273,800 by its owner (±$118,744). The median renter pays $3,147 a month including utilities, and 12.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 5091.02 | Sunnyvale |
|---|---|---|
| Median home value (owner-occupied) | $1,273,800±$118,744 | $1,801,800 |
| Median gross rent | $3,147±$150 | $3,039 |
| Renters paying 35% or more of income on rent | 12.1%±6.7 pts | 28.2% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 25.7%±6.4 pts | 43.8% |
| Renter-occupied homes | 74.3%±6.4 pts | 56.2% |
| Housing units | 2,372±158 | 63,239 |
| Single-family detached homes | 4.4%±2.2 pts | 36.0% |
| Mobile homes | 2.3%±1.8 pts | 5.7% |
| Built 2020 or later | 0.0%±1.8 pts | 1.8% |
| Built 2010 to 2019 | 3.3%±2.4 pts | 10.0% |
| Built 1939 or earlier | 0.0%±1.8 pts | 1.5% |
| Households with no vehicle | 5.8%±3.7 pts | 7.0% |
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 5091.02 get to work?
48.1% of Census Tract 5091.02's workers drive alone and 30.1% work from home. The average trip to work takes 23.2 minutes.
| Measure | Tract 5091.02 | Sunnyvale |
|---|---|---|
| In the labor force (age 16+) | 79.0%±4.5 pts | 72.5% |
| Unemployment rate | 2.4%±1.8 pts | 4.5% |
| Drove alone to work | 48.1%±7.1 pts | 53.7% |
| Carpooled | 7.6%±4.8 pts | 8.3% |
| Public transportation | 6.5%±3.7 pts | 3.9% |
| Walked | 2.2%±1.7 pts | 1.6% |
| Worked from home | 30.1%±6.6 pts | 29.2% |
| Mean travel time to work | 23.2 min±3.2 | 23.0 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 5091.02 compare with the other tracts in Santa Clara County?
Among Santa Clara County's tracts with a reliable estimate, Census Tract 5091.02 ranks as shown below (1 = highest).
| Measure | In Santa Clara County | In Sunnyvale |
|---|---|---|
| Population | 179th of 408 | 14th of 35 |
| Residents per square mile | 342nd of 408 | 33rd of 35 |
| Median household income | 72nd of 404 | 9th of 35 |
| Per capita income | 34th of 408 | 4th of 35 |
| Median home value | 229th of 395 | 28th of 32 |
| Median gross rent | 181st of 394 | 20th of 35 |
| Poverty rate | 162nd of 223 | 13th of 18 |
| Bachelor's degree or higher | 39th of 408 | 4th of 35 |
| Median age | 377th of 408 | 32nd of 35 |
| Owner-occupied share | 366th of 397 | 30th of 33 |
The tracts next to it on Santa Clara County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 5061.03 | 69th | $231,563±$52,209 · within the margin of this tract |
| Tract 5048.07 | 70th | $230,829±$39,908 · within the margin of this tract |
| Tract 5045.05 | 71st | $229,572±$27,719 · within the margin of this tract |
| Tract 5091.02 | 72nd | $229,505±$37,775 |
| Tract 5042.02 | 73rd | $229,028±$56,350 · within the margin of this tract |
| Tract 5092.02 | 74th | $228,462±$20,208 · within the margin of this tract |
| Tract 5067.01 | 75th | $228,173±$57,989 · 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 5091.02?
1 of the 18 figures for Census Tract 5091.02 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