Census tract · Santa Clara County
Census Tract 5091.10, Santa Clara County, California
Census Tract 5091.10, GEOID 06085509110, in Santa Clara County, California, mostly within Mountain View, Santa Clara County (88% of its census blocks). 3,317 residents in the ACS 2020-2024 5-year estimates (±450); the 2020 Census counted 3,633.
Residents, 2020-2024
3,317
±450 (90% margin)
2020 Census count: 3,633
Median household income
$192,045
±$50,662 (90% margin)
Santa Clara County: $164,281
Median home value
$1,453,100
±$1,138,273 (90% margin)
Santa Clara County: $1,490,600
Median gross rent
$3,500 or more
The survey's top or bottom value; no margin is published
Santa Clara County: $2,857
Where is Census Tract 5091.10?
Census Tract 5091.10 is one of 408 census tracts in Santa Clara County, California. It covers 0.24 square miles of land, 15,460 residents per square mile in 2020. Its GEOID, 06085509110, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mountain View, Santa Clara County | 88% |
| Sunnyvale | 12% |
4 census tracts border Census Tract 5091.10: Tract 5084.01 ($198,816), Tract 5091.07 ($143,611), Tract 5091.11 ($135,398) and Tract 5099.02 ($222,955). 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 5091.10?
The 2020-2024 American Community Survey puts Census Tract 5091.10's population at 3,317 (±450) in 1,392 households; the 2020 Census counted 3,633 residents and 1,641 housing units.
| Measure | Tract 5091.10 | Mountain View, Santa Clara County |
|---|---|---|
| Total population | 3,317±450 | 83,732 |
| Households | 1,392±164 | 35,767 |
| Average household size | 2.33±0.21 | 2.33 |
| Housing units | 1,637±115 | 39,458 |
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 5091.10?
The median resident of Census Tract 5091.10 is 34.2 years old; 23.6% are under 18 and 7.5% are 65 or older. The largest group is non-Hispanic Asian residents at 43.6%, then non-Hispanic white residents at 43.5%. 52.2% of residents were born outside the United States.
| Measure | Tract 5091.10 | Mountain View, Santa Clara County |
|---|---|---|
| Median age | 34.2±2.9 | 35.5 |
| Under 18 years | 23.6%±5.3 pts | 19.9% |
| 65 years and over | 7.5%±2.7 pts | 12.0% |
| Hispanic or Latino (any race) | 5.8%±3.5 pts | 17.5% |
| White alone, not Hispanic | 43.5%±8.8 pts | 37.4% |
| Black or African American alone, not Hispanic | 3.2%±3.2 pts | 2.4% |
| Asian alone, not Hispanic | 43.6%±9.9 pts | 36.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.3 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.3 pts | 0.0% |
| Two or more races, not Hispanic | 2.8%±2.3 pts | 6.0% |
| Some other race alone, not Hispanic | 1.1%±1.4 pts | 0.4% |
| Born outside the United States | 52.2%±8.8 pts | 42.9% |
| Speak a language other than English at home (age 5+) | 45.3%±10.1 pts | 49.5% |
| Civilian veterans (age 18+) | 1.0%±1.5 pts | 2.1% |
| With a disability | 5.8%±3.7 pts | 7.3% |
| No health insurance coverage | 1.6%±2.3 pts | 2.4% |
| High school graduate or higher (age 25+) | 97.8%±2.5 pts | 95.0% |
| Bachelor's degree or higher (age 25+) | 77.3%±7.5 pts | 75.0% |
| Graduate or professional degree (age 25+) | 52.1%±10.2 pts | 45.1% |
| Lived in the same house a year earlier | 69.4%±10.5 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 5091.10 earn?
Half of the 1,392 households in Census Tract 5091.10 earn less than $192,045 a year (±$50,662), against $164,281 across Santa Clara County: 139th highest of the county's 404 tracts with a reliable estimate. 5.8% of residents live below the poverty line.
| Measure | Tract 5091.10 | Mountain View, Santa Clara County |
|---|---|---|
| Median household income | $192,045±$50,662 | $189,917 |
| Mean household income | $240,348±$33,183 | $259,889 |
| Per capita income | $102,077±$11,264 | $112,591 |
| People below the poverty line | 5.8%±3.4 pts | 6.0% |
| Children under 18 below the poverty line | 7.8%±7.8 pts | 6.4% |
| Households receiving SNAP | 4.1%±2.9 pts | 4.2% |
| Households with a computer | 100.0%±3.0 pts | 97.3% |
| Households with a broadband subscription | 96.2%±4.1 pts | 96.0% |
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 5091.10?
Owners occupy 14.9% of Census Tract 5091.10's occupied homes and renters 85.1%. The median renter pays $3,500 or more a month including utilities, and 31.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 5091.10 | Mountain View, Santa Clara County |
|---|---|---|
| Median home value (owner-occupied) | $1,453,100±$1,138,273 | $1,927,000 |
| Median gross rent | $3,500 or more | $3,062 |
| Renters paying 35% or more of income on rent | 31.1%±11.1 pts | 31.3% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 14.9%±7.9 pts | 38.6% |
| Renter-occupied homes | 85.1%±7.9 pts | 61.4% |
| Housing units | 1,637±115 | 39,458 |
| Single-family detached homes | 8.5%±5.7 pts | 26.8% |
| Mobile homes | 0.0%±2.6 pts | 3.2% |
| Built 2020 or later | 2.7%±3.3 pts | 4.1% |
| Built 2010 to 2019 | 8.8%±5.1 pts | 12.5% |
| Built 1939 or earlier | 1.2%±1.5 pts | 3.4% |
| Households with no vehicle | 4.4%±3.4 pts | 8.1% |
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 5091.10 get to work?
43.7% of Census Tract 5091.10's workers drive alone and 40.3% work from home. The average trip to work takes 25.7 minutes. The unemployment rate in 2020-2024 averaged 6.4%.
| Measure | Tract 5091.10 | Mountain View, Santa Clara County |
|---|---|---|
| In the labor force (age 16+) | 73.9%±7.7 pts | 73.6% |
| Unemployment rate | 6.4%±4.0 pts | 3.7% |
| Drove alone to work | 43.7%±9.9 pts | 51.8% |
| Carpooled | 3.5%±3.9 pts | 5.4% |
| Public transportation | 4.6%±3.1 pts | 3.9% |
| Walked | 0.9%±1.3 pts | 2.5% |
| Worked from home | 40.3%±9.8 pts | 30.6% |
| Mean travel time to work | 25.7 min±3.6 | 23.3 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 5091.10 compare with the other tracts in Santa Clara County?
Among Santa Clara County's tracts with a reliable estimate, Census Tract 5091.10 ranks as shown below (1 = highest).
| Measure | In Santa Clara County | In Mountain View, Santa Clara County |
|---|---|---|
| Population | 339th of 408 | 15th of 21 |
| Residents per square mile | 42nd of 408 | 4th of 21 |
| Median household income | 139th of 404 | 11th of 20 |
| Per capita income | 115th of 408 | 15th of 21 |
| Median gross rent | 1st of 394 | 1st of 21 |
| Poverty rate | 157th of 223 | 4th of 9 |
| Bachelor's degree or higher | 78th of 408 | 8th of 21 |
| Median age | 332nd of 408 | 14th of 21 |
| Owner-occupied share | 394th of 397 | 20th of 20 |
The tracts next to it on Santa Clara County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 5068.03 | 136th | $194,219±$63,823 · within the margin of this tract |
| Tract 5026.01 | 137th | $193,125±$77,146 · within the margin of this tract |
| Tract 5043.16 | 138th | $192,188±$17,907 · within the margin of this tract |
| Tract 5091.10 | 139th | $192,045±$50,662 |
| Tract 5031.27 | 140th | $191,908±$37,936 · within the margin of this tract |
| Tract 5066.04 | 141st | $191,843±$41,428 · within the margin of this tract |
| Tract 5119.16 | 142nd | $191,735±$40,485 · 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 5091.10?
2 of the 18 figures for Census Tract 5091.10 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