Census tract · Santa Clara County
Census Tract 5099.02, Santa Clara County, California
Census Tract 5099.02, GEOID 06085509902, in Santa Clara County, California, entirely within Mountain View, Santa Clara County. 5,161 residents in the ACS 2020-2024 5-year estimates (±560); the 2020 Census counted 5,301.
Residents, 2020-2024
5,161
±560 (90% margin)
2020 Census count: 5,301
Median household income
$222,955
±$74,817 (90% margin)
Santa Clara County: $164,281
Median home value
$2,000,000 or more
The survey's top or bottom value; no margin is published
Santa Clara County: $1,490,600
Median gross rent
$2,602
±$549 (90% margin)
Santa Clara County: $2,857
Where is Census Tract 5099.02?
Census Tract 5099.02 is one of 408 census tracts in Santa Clara County, California. It covers 0.86 square miles of land, 6,157 residents per square mile in 2020. Its GEOID, 06085509902, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mountain View, Santa Clara County | 100% |
6 census tracts border Census Tract 5099.02: Tract 5084.01 ($198,816), Tract 5091.10 ($192,045), Tract 5097 ($209,607), Tract 5098.02 ($220,694), Tract 5099.01 ($250,000 or more) and Tract 5100.01 ($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 5099.02?
The 2020-2024 American Community Survey puts Census Tract 5099.02's population at 5,161 (±560) in 1,834 households; the 2020 Census counted 5,301 residents and 1,986 housing units.
| Measure | Tract 5099.02 | Mountain View, Santa Clara County |
|---|---|---|
| Total population | 5,161±560 | 83,732 |
| Households | 1,834±189 | 35,767 |
| Average household size | 2.76±0.25 | 2.33 |
| Housing units | 1,878±185 | 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 5099.02?
The median resident of Census Tract 5099.02 is 45.6 years old; 22.7% are under 18 and 20.9% are 65 or older. The largest group is non-Hispanic white residents at 45.7%, then non-Hispanic Asian residents at 36.0%. 31.3% of residents were born outside the United States.
| Measure | Tract 5099.02 | Mountain View, Santa Clara County |
|---|---|---|
| Median age | 45.6±3.0 | 35.5 |
| Under 18 years | 22.7%±3.4 pts | 19.9% |
| 65 years and over | 20.9%±4.4 pts | 12.0% |
| Hispanic or Latino (any race) | 6.4%±3.2 pts | 17.5% |
| White alone, not Hispanic | 45.7%±7.8 pts | 37.4% |
| Black or African American alone, not Hispanic | 5.8%±7.1 pts | 2.4% |
| Asian alone, not Hispanic | 36.0%±4.0 pts | 36.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.8 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 5.7%±2.6 pts | 6.0% |
| Some other race alone, not Hispanic | 0.5%±0.7 pts | 0.4% |
| Born outside the United States | 31.3%±4.5 pts | 42.9% |
| Speak a language other than English at home (age 5+) | 28.4%±5.8 pts | 49.5% |
| Civilian veterans (age 18+) | 2.0%±1.1 pts | 2.1% |
| With a disability | 11.9%±3.3 pts | 7.3% |
| No health insurance coverage | 0.4%±0.4 pts | 2.4% |
| High school graduate or higher (age 25+) | 96.3%±2.7 pts | 95.0% |
| Bachelor's degree or higher (age 25+) | 77.5%±7.2 pts | 75.0% |
| Graduate or professional degree (age 25+) | 42.5%±5.0 pts | 45.1% |
| Lived in the same house a year earlier | 89.3%±4.8 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 5099.02 earn?
Half of the 1,834 households in Census Tract 5099.02 earn less than $222,955 a year (±$74,817), against $164,281 across Santa Clara County: 82nd highest of the county's 404 tracts with a reliable estimate.
| Measure | Tract 5099.02 | Mountain View, Santa Clara County |
|---|---|---|
| Median household income | $222,955±$74,817 | $189,917 |
| Mean household income | $326,339±$45,652 | $259,889 |
| Per capita income | $119,888±$16,877 | $112,591 |
| People below the poverty line | 10.9%±7.3 pts | 6.0% |
| Children under 18 below the poverty line | 13.1%±14.2 pts | 6.4% |
| Households receiving SNAP | 4.3%±2.5 pts | 4.2% |
| Households with a computer | 94.2%±4.3 pts | 97.3% |
| Households with a broadband subscription | 93.6%±4.7 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 5099.02?
Owners occupy 69.8% of Census Tract 5099.02's occupied homes and renters 30.2%. The median owner-occupied home is valued at $2,000,000 or more by its owner (). The median renter pays $2,602 a month including utilities, and 25.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 5099.02 | Mountain View, Santa Clara County |
|---|---|---|
| Median home value (owner-occupied) | $2,000,000 or more | $1,927,000 |
| Median gross rent | $2,602±$549 | $3,062 |
| Renters paying 35% or more of income on rent | 25.1%±12.7 pts | 31.3% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 69.8%±7.2 pts | 38.6% |
| Renter-occupied homes | 30.2%±7.2 pts | 61.4% |
| Housing units | 1,878±185 | 39,458 |
| Single-family detached homes | 72.3%±7.0 pts | 26.8% |
| Mobile homes | 6.7%±2.8 pts | 3.2% |
| Built 2020 or later | 3.4%±3.9 pts | 4.1% |
| Built 2010 to 2019 | 4.7%±2.6 pts | 12.5% |
| Built 1939 or earlier | 0.9%±1.0 pts | 3.4% |
| Households with no vehicle | 10.4%±4.8 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 5099.02 get to work?
57.3% of Census Tract 5099.02's workers drive alone and 33.2% work from home. The average trip to work takes 26.6 minutes. The unemployment rate in 2020-2024 averaged 3.2%.
| Measure | Tract 5099.02 | Mountain View, Santa Clara County |
|---|---|---|
| In the labor force (age 16+) | 57.4%±5.9 pts | 73.6% |
| Unemployment rate | 3.2%±2.0 pts | 3.7% |
| Drove alone to work | 57.3%±9.2 pts | 51.8% |
| Carpooled | 2.8%±2.2 pts | 5.4% |
| Public transportation | 0.4%±0.7 pts | 3.9% |
| Walked | 1.0%±1.3 pts | 2.5% |
| Worked from home | 33.2%±8.3 pts | 30.6% |
| Mean travel time to work | 26.6 min±5.0 | 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 5099.02 compare with the other tracts in Santa Clara County?
Among Santa Clara County's tracts with a reliable estimate, Census Tract 5099.02 ranks as shown below (1 = highest).
| Measure | In Santa Clara County | In Mountain View, Santa Clara County |
|---|---|---|
| Population | 131st of 408 | 6th of 21 |
| Residents per square mile | 298th of 408 | 16th of 21 |
| Median household income | 82nd of 404 | 4th of 20 |
| Per capita income | 53rd of 408 | 5th of 21 |
| Median home value | 1st of 395 | 1st of 18 |
| Median gross rent | 279th of 394 | 19th of 21 |
| Bachelor's degree or higher | 75th of 408 | 7th of 21 |
| Median age | 61st of 408 | 1st of 21 |
| Owner-occupied share | 149th of 397 | 2nd of 20 |
The tracts next to it on Santa Clara County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 5025 | 79th | $225,694±$38,157 · within the margin of this tract |
| Tract 5072.03 | 80th | $224,464±$68,586 · within the margin of this tract |
| Tract 5079.03 | 81st | $223,571±$47,896 · within the margin of this tract |
| Tract 5099.02 | 82nd | $222,955±$74,817 |
| Tract 5024 | 83rd | $222,311±$42,598 · within the margin of this tract |
| Tract 5069 | 84th | $222,166±$19,847 · within the margin of this tract |
| Tract 5068.04 | 85th | $221,071±$61,244 · 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 5099.02?
2 of the 18 figures for Census Tract 5099.02 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