Census tract · San Bernardino County
Census Tract 31.02, San Bernardino County, California
Census Tract 31.02, GEOID 06071003102, in San Bernardino County, California, entirely within Fontana. 6,345 residents in the ACS 2020-2024 5-year estimates (±678); the 2020 Census counted 5,844.
Residents, 2020-2024
6,345
±678 (90% margin)
2020 Census count: 5,844
Median household income
$62,484
±$14,469 (90% margin)
San Bernardino County: $85,478
Median home value
$451,600
±$44,152 (90% margin)
San Bernardino County: $505,000
Median gross rent
$1,642
±$84 (90% margin)
San Bernardino County: $1,801
Where is Census Tract 31.02?
Census Tract 31.02 is one of 466 census tracts in San Bernardino County, California. It covers 0.50 square miles of land, 11,665 residents per square mile in 2020. Its GEOID, 06071003102, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Fontana | 100% |
6 census tracts border Census Tract 31.02: Tract 28.04 ($61,477), Tract 30 ($32,361), Tract 31.01, Tract 32.01 ($80,833), Tract 32.02 ($69,317) and Tract 33.01 ($81,250). 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 31.02?
The 2020-2024 American Community Survey puts Census Tract 31.02's population at 6,345 (±678) in 1,629 households; the 2020 Census counted 5,844 residents and 1,503 housing units.
| Measure | Tract 31.02 | Fontana |
|---|---|---|
| Total population | 6,345 ±678 | 214,169 |
| Households | 1,629 ±150 | 58,362 |
| Average household size | 3.87 ±0.27 | 3.66 |
| Housing units | 1,629 ±150 | 59,522 |
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 31.02?
The median resident of Census Tract 31.02 is 27.2 years old; 33.7% are under 18 and 3.5% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 89.8%, then non-Hispanic white residents at 4.8%. 41.7% of residents were born outside the United States.
| Measure | Tract 31.02 | Fontana |
|---|---|---|
| Median age | 27.2 ±2.1 | 33.8 |
| Under 18 years | 33.7% ±3.5 pts | 27.3% |
| 65 years and over | 3.5% ±1.4 pts | 9.7% |
| Hispanic or Latino (any race) | 89.8% ±5.8 pts | 67.6% |
| White alone, not Hispanic | 4.8% ±1.9 pts | 13.0% |
| Black or African American alone, not Hispanic | 1.0% ±1.1 pts | 7.6% |
| Asian alone, not Hispanic | 3.9% ±5.5 pts | 8.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.7 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.7 pts | 0.2% |
| Two or more races, not Hispanic | 0.2% ±0.3 pts | 2.7% |
| Some other race alone, not Hispanic | 0.3% ±0.6 pts | 0.6% |
| Born outside the United States | 41.7% ±7.6 pts | 28.3% |
| Speak a language other than English at home (age 5+) | 79.7% ±6.8 pts | 58.4% |
| Civilian veterans (age 18+) | 1.8% ±2.0 pts | 3.2% |
| With a disability | 6.5% ±2.8 pts | 9.1% |
| No health insurance coverage | 18.7% ±4.5 pts | 9.1% |
| High school graduate or higher (age 25+) | 69.8% ±8.4 pts | 80.0% |
| Bachelor's degree or higher (age 25+) | 15.6% ±5.4 pts | 21.4% |
| Graduate or professional degree (age 25+) | 0.7% ±0.8 pts | 6.3% |
| Lived in the same house a year earlier | 95.4% ±3.5 pts | 92.0% |
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 31.02 earn?
Half of the 1,629 households in Census Tract 31.02 earn less than $62,484 a year (±$14,469), against $85,478 across San Bernardino County: 359th highest of the county's 453 tracts with a reliable estimate. 30.7% of residents live below the poverty line.
| Measure | Tract 31.02 | Fontana |
|---|---|---|
| Median household income | $62,484 ±$14,469 | $102,821 |
| Mean household income | $79,758 ±$10,470 | $118,954 |
| Per capita income | $21,274 ±$2,878 | $33,149 |
| People below the poverty line | 30.7% ±9.1 pts | 9.9% |
| Children under 18 below the poverty line | 44.6% ±13.5 pts | 13.5% |
| Households receiving SNAP | 15.3% ±6.7 pts | 14.8% |
| Households with a computer | 100.0% ±2.6 pts | 97.9% |
| Households with a broadband subscription | 93.4% ±5.1 pts | 96.3% |
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 31.02?
Owners occupy 23.6% of Census Tract 31.02's occupied homes and renters 76.4%. The median owner-occupied home is valued at $451,600 by its owner (±$44,152). The median renter pays $1,642 a month including utilities, and 54.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 31.02 | Fontana |
|---|---|---|
| Median home value (owner-occupied) | $451,600 ±$44,152 | $586,800 |
| Median gross rent | $1,642 ±$84 | $1,839 |
| Renters paying 35% or more of income on rent | 54.0% ±11.8 pts | 45.0% |
| Median monthly owner costs, with a mortgage | $1,597 ±$494 | $2,608 |
| Owner-occupied homes | 23.6% ±6.9 pts | 66.8% |
| Renter-occupied homes | 76.4% ±6.9 pts | 33.2% |
| Housing units | 1,629 ±150 | 59,522 |
| Single-family detached homes | 41.6% ±8.0 pts | 76.6% |
| Mobile homes | 0.0% ±2.6 pts | 2.6% |
| Built 2020 or later | 0.0% ±2.6 pts | 3.9% |
| Built 2010 to 2019 | 9.3% ±5.8 pts | 7.6% |
| Built 1939 or earlier | 6.4% ±5.2 pts | 1.4% |
| Households with no vehicle | 3.3% ±2.8 pts | 3.2% |
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 31.02 get to work?
76.7% of Census Tract 31.02's workers drive alone and 12.4% work from home. The average trip to work takes 23.1 minutes. The unemployment rate in 2020-2024 averaged 7.7%.
| Measure | Tract 31.02 | Fontana |
|---|---|---|
| In the labor force (age 16+) | 69.3% ±5.0 pts | 66.3% |
| Unemployment rate | 7.7% ±4.8 pts | 6.5% |
| Drove alone to work | 76.7% ±6.4 pts | 72.5% |
| Carpooled | 9.3% ±4.4 pts | 11.4% |
| Public transportation | 0.0% ±1.5 pts | 1.3% |
| Walked | 0.9% ±1.4 pts | 1.2% |
| Worked from home | 12.4% ±5.6 pts | 13.0% |
| Mean travel time to work | 23.1 min ±2.8 | 33.4 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 31.02 compare with the other tracts in San Bernardino County?
Among San Bernardino County's tracts with a reliable estimate, Census Tract 31.02 ranks as shown below (1 = highest).
| Measure | In San Bernardino County | In Fontana |
|---|---|---|
| Population | 70th of 464 | 11th of 44 |
| Residents per square mile | 24th of 466 | 6th of 44 |
| Median household income | 359th of 453 | 41st of 43 |
| Per capita income | 411th of 461 | 42nd of 44 |
| Median home value | 254th of 446 | 36th of 42 |
| Median gross rent | 278th of 436 | 31st of 39 |
| Poverty rate | 17th of 301 | 1st of 23 |
| Bachelor's degree or higher | 268th of 438 | 21st of 44 |
| Median age | 445th of 465 | 42nd of 44 |
| Owner-occupied share | 427th of 457 | 42nd of 44 |
The tracts next to it on San Bernardino County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 54 | 356th | $62,799±$16,740 · within the margin of this tract |
| Tract 72.02 | 357th | $62,635±$14,154 · within the margin of this tract |
| Tract 100.11 | 358th | $62,500±$7,663 · within the margin of this tract |
| Tract 31.02 | 359th | $62,484±$14,469 |
| Tract 70.01 | 360th | $62,457±$12,102 · within the margin of this tract |
| Tract 86.02 | 361st | $62,124±$28,546 · within the margin of this tract |
| Tract 8.25 | 362nd | $61,825±$12,866 · 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 31.02?
2 of the 18 figures for Census Tract 31.02 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