Census tract · San Bernardino County
Census Tract 21.12, San Bernardino County, California
Census Tract 21.12, GEOID 06071002112, in San Bernardino County, California, entirely within Rancho Cucamonga. 4,471 residents in the ACS 2020-2024 5-year estimates (±615); the 2020 Census counted 3,347.
Residents, 2020-2024
4,471
±615 (90% margin)
2020 Census count: 3,347
Median household income
$81,947
±$19,374 (90% margin)
San Bernardino County: $85,478
Median home value
$720,800
±$104,238 (90% margin)
San Bernardino County: $505,000
Median gross rent
$2,456
±$122 (90% margin)
San Bernardino County: $1,801
Where is Census Tract 21.12?
Census Tract 21.12 is one of 466 census tracts in San Bernardino County, California. It covers 3.52 square miles of land, 952 residents per square mile in 2020. Its GEOID, 06071002112, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Rancho Cucamonga | 100% |
5 census tracts border Census Tract 21.12: Tract 20.50 ($90,212), Tract 20.51 ($119,167), Tract 21.09 ($94,067), Tract 21.11 ($80,074) and Tract 22.07 ($80,811). 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 21.12?
The 2020-2024 American Community Survey puts Census Tract 21.12's population at 4,471 (±615) in 2,227 households; the 2020 Census counted 3,347 residents and 1,759 housing units.
| Measure | Tract 21.12 | Rancho Cucamonga |
|---|---|---|
| Total population | 4,471±615 | 175,411 |
| Households | 2,227±223 | 58,835 |
| Average household size | 2.01±0.20 | 2.93 |
| Housing units | 2,330±210 | 60,879 |
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 21.12?
The median resident of Census Tract 21.12 is 31.0 years old. The largest group is Hispanic or Latino residents (of any race) at 44.4%, then non-Hispanic white residents at 19.9%. 19.6% of residents were born outside the United States.
| Measure | Tract 21.12 | Rancho Cucamonga |
|---|---|---|
| Median age | 31.0±2.2 | 38.6 |
| Under 18 years | 14.2%±5.1 pts | 22.5% |
| 65 years and over | 4.0%±3.5 pts | 14.5% |
| Hispanic or Latino (any race) | 44.4%±6.8 pts | 38.1% |
| White alone, not Hispanic | 19.9%±4.7 pts | 33.4% |
| Black or African American alone, not Hispanic | 14.3%±8.1 pts | 8.3% |
| Asian alone, not Hispanic | 19.3%±5.2 pts | 15.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.9 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.9 pts | 0.2% |
| Two or more races, not Hispanic | 2.1%±1.8 pts | 4.0% |
| Some other race alone, not Hispanic | 0.0%±0.9 pts | 0.9% |
| Born outside the United States | 19.6%±7.1 pts | 20.8% |
| Speak a language other than English at home (age 5+) | 33.9%±9.8 pts | 34.2% |
| Civilian veterans (age 18+) | 4.9%±3.9 pts | 5.1% |
| With a disability | 7.1%±4.0 pts | 10.2% |
| No health insurance coverage | 9.1%±6.6 pts | 5.0% |
| High school graduate or higher (age 25+) | 92.7%±5.2 pts | 91.5% |
| Bachelor's degree or higher (age 25+) | 53.7%±8.4 pts | 37.5% |
| Graduate or professional degree (age 25+) | 22.1%±6.0 pts | 14.6% |
| Lived in the same house a year earlier | 59.7%±11.9 pts | 89.8% |
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 21.12 earn?
Half of the 2,227 households in Census Tract 21.12 earn less than $81,947 a year (±$19,374), against $85,478 across San Bernardino County: 227th highest of the county's 453 tracts with a reliable estimate. 7.0% of residents live below the poverty line.
| Measure | Tract 21.12 | Rancho Cucamonga |
|---|---|---|
| Median household income | $81,947±$19,374 | $111,895 |
| Mean household income | $102,764±$15,771 | $140,135 |
| Per capita income | $51,900±$7,875 | $47,475 |
| People below the poverty line | 7.0%±3.9 pts | 8.0% |
| Children under 18 below the poverty line | 6.9%±10.2 pts | 10.6% |
| Households receiving SNAP | 6.3%±4.2 pts | 7.9% |
| Households with a computer | 99.2%±1.2 pts | 98.0% |
| Households with a broadband subscription | 95.6%±4.3 pts | 94.8% |
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 21.12?
Owners occupy 17.3% of Census Tract 21.12's occupied homes and renters 82.7%. The median owner-occupied home is valued at $720,800 by its owner (±$104,238). The median renter pays $2,456 a month including utilities, and 56.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 21.12 | Rancho Cucamonga |
|---|---|---|
| Median home value (owner-occupied) | $720,800±$104,238 | $740,200 |
| Median gross rent | $2,456±$122 | $2,357 |
| Renters paying 35% or more of income on rent | 56.9%±10.3 pts | 47.1% |
| Median monthly owner costs, with a mortgage | $3,466±$414 | $2,947 |
| Owner-occupied homes | 17.3%±6.3 pts | 62.3% |
| Renter-occupied homes | 82.7%±6.3 pts | 37.7% |
| Housing units | 2,330±210 | 60,879 |
| Single-family detached homes | 16.7%±7.8 pts | 62.5% |
| Mobile homes | 0.0%±1.8 pts | 2.3% |
| Built 2020 or later | 21.8%±7.0 pts | 1.4% |
| Built 2010 to 2019 | 12.8%±6.0 pts | 6.6% |
| Built 1939 or earlier | 0.0%±1.8 pts | 1.2% |
| Households with no vehicle | 4.7%±3.8 pts | 3.7% |
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 21.12 get to work?
66.9% of Census Tract 21.12's workers drive alone and 12.4% work from home. The average trip to work takes 40.3 minutes. The unemployment rate in 2020-2024 averaged 6.0%.
| Measure | Tract 21.12 | Rancho Cucamonga |
|---|---|---|
| In the labor force (age 16+) | 82.9%±5.0 pts | 65.2% |
| Unemployment rate | 6.0%±3.8 pts | 5.9% |
| Drove alone to work | 66.9%±10.2 pts | 73.8% |
| Carpooled | 11.0%±8.3 pts | 9.4% |
| Public transportation | 4.9%±3.9 pts | 1.0% |
| Walked | 1.4%±2.1 pts | 0.6% |
| Worked from home | 12.4%±6.0 pts | 13.8% |
| Mean travel time to work | 40.3 min±7.8 | 32.3 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 21.12 compare with the other tracts in San Bernardino County?
Among San Bernardino County's tracts with a reliable estimate, Census Tract 21.12 ranks as shown below (1 = highest).
| Measure | In San Bernardino County | In Rancho Cucamonga |
|---|---|---|
| Population | 261st of 464 | 22nd of 36 |
| Residents per square mile | 372nd of 466 | 36th of 36 |
| Median household income | 227th of 453 | 30th of 36 |
| Per capita income | 53rd of 461 | 12th of 36 |
| Median home value | 52nd of 446 | 17th of 36 |
| Median gross rent | 66th of 436 | 16th of 32 |
| Poverty rate | 269th of 301 | 13th of 17 |
| Bachelor's degree or higher | 14th of 438 | 3rd of 36 |
| Median age | 386th of 465 | 36th of 36 |
| Owner-occupied share | 442nd of 457 | 35th of 36 |
The tracts next to it on San Bernardino County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 61.01 | 224th | $82,431±$14,543 · within the margin of this tract |
| Tract 114.04 | 225th | $82,361±$30,142 · within the margin of this tract |
| Tract 8.24 | 226th | $82,358±$6,065 · within the margin of this tract |
| Tract 21.12 | 227th | $81,947±$19,374 |
| Tract 100.39 | 228th | $81,898±$30,171 · within the margin of this tract |
| Tract 113 | 229th | $81,833±$25,523 · within the margin of this tract |
| Tract 66.03 | 230th | $81,784±$15,269 · 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 21.12?
Every figure for Census Tract 21.12 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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