Postal Codes

91764 ZIP Code

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ZIP code 91764 covers Ontario, California, with a population of about 55,412 and a median household income of $75,605.

Population
55,4127,008 per square mile
Median age
31.96.8 points below the US average
Median household income
$75,60522% below the California median
Poverty rate
16.8%4.4 points above the US average
Typical home value
$635,968up 23.7% in five years
Median rent
$2,039about the California median
Degree or higher
18.4%16.6 points below the US average
Homeownership
44.6%20.4 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,339

Where 91764 is

Ontario, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population55,412
Median age31.9
Family households76.4%
Born outside the US28%
Speaks a language other than English at home56.2%
White (non-Hispanic)11.5%
Black (non-Hispanic)7.6%
Asian (non-Hispanic)5.9%
Hispanic or Latino70.5%
Veterans2.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$75,605
Income per person$27,443
Poverty rate16.8%
Households on SNAP or cash assistance15.6%

Household income distribution

Under $10k4.5%
$10–15k2.9%
$15–20k3.2%
$20–25k4.5%
$25–30k3.4%
$30–35k3.3%
$35–40k4.4%
$40–45k2.5%
$45–50k2.0%
$50–60k8.9%
$60–75k10.0%
$75–100k14.3%
$100–125k13.2%
$125–150k9.6%
$150–200k7.4%
$200k or more5.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed25,340
Mean adjusted gross income$52,994
Returns declaring $200,000 or more1%
Returns, under $25k29.6%
Returns, $25k–$50k31.8%
Returns, $50k–$75k17.6%
Returns, $75k–$100k9.7%
Returns, $100k–$200k10.3%
Returns, $200k or more1.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$524,100
Median gross rent$2,039
Rent as a share of household income37.3%
Owner-occupied44.6%
Vacant homes4.4%
Median year built1977

What the homes are

Detached house47.4%
Attached house9.5%
2 to 4 units14.5%
5 to 19 units7.8%
20 or more units18.2%
Mobile home2.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$635,968as of 2026-07
Typical home value, 1 yeardown 0.1%
Typical home value, 5 yearsup 23.7%
Typical home value, 10 yearsup 92.3%
Typical asking rent$2,609as of 2026-07
Typical asking rent, 1 yearup 2%
Typical asking rent, 5 yearsup 16.6%
Typical home value since 2000
200020132026$636,610$134,407

$134,407 in 2000 to $635,968 in 2026.

Typical asking rent
201720212026$2,609$1,612

$1,612 in 2017 to $2,609 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.5%
Bachelor's degree or higher18.4%
High school diploma or higher74.3%
Works from home7.8%
Drives to work alone76.1%
Takes public transport1.2%
Commutes 45 minutes or more25.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity35.1% 1.7 pts above the national average of 33.4%
Diagnosed diabetes12.2% same as the national average of 12%
Currently smokes13.2% same as the national average of 13.2%
High blood pressure30% 4.1 pts below the national average of 34.1%
Fair or poor general health29.2% 8.9 pts above the national average of 20.3%
No health insurance (18–64)19.1% 7.8 pts above the national average of 11.3%
Depression19.8% 2.1 pts below the national average of 21.9%
No leisure-time physical activity29.5% 4.1 pts above the national average of 25.4%
Arthritis19.2% 5.9 pts below the national average of 25.1%
Binge drinking15.8% same as the national average of 16%
Taking blood pressure medication65.1% 9.6 pts below the national average of 74.7%
Cancer (non-skin)4.2% 3.5 pts below the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease5.1% 1.1 pts below the national average of 6.2%
Routine check-up in past year67.3% 9.4 pts below the national average of 76.7%
Cholesterol screening80.9% 5 pts below the national average of 85.9%
Cognitive disability18.7% 3.9 pts above the national average of 14.8%
Colorectal screening50.2% 14.1 pts below the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist51.7% 9.6 pts below the national average of 61.3%
Any disability33.7% 3 pts above the national average of 30.7%
Lacks emotional support32.2% 7.4 pts above the national average of 24.8%
Food insecurity29.7% 12.6 pts above the national average of 17.1%
Received food stamps26.6% 12.3 pts above the national average of 14.3%
Hearing disability5.4% 1.3 pts below the national average of 6.7%
High cholesterol32.3% 3.9 pts below the national average of 36.2%
Housing insecurity23.7% 9.9 pts above the national average of 13.8%
Independent living disability10.1% 1.7 pts above the national average of 8.4%
Lacks transport14.5% 5.3 pts above the national average of 9.2%
Loneliness40.1% 5.7 pts above the national average of 34.4%
Mammography use71.9% 4 pts below the national average of 75.9%
Poor mental health (14+ days)18.9% 2.1 pts above the national average of 16.8%
Mobility disability14.7% 0.7 pts above the national average of 14%
Poor physical health (14+ days)15.3% 1.8 pts above the national average of 13.5%
Self-care disability5% 1 pts above the national average of 4%
Utility shut-off threat11.6% 2.8 pts above the national average of 8.8%
Sleeps under 7 hours39.3% 2.9 pts above the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost13.4% same as the national average of 13%
Vision disability8.2% 2.6 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,339
People employed30,387
Annual payroll$1,454,267,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 86.9% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 14 census tracts this ZIP code covers
Expected annual loss86.7 out of 100
Community resilience19.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake94.8Very High at its worst in this ZIP code
River flooding90.9Very High at its worst in this ZIP code
Heat wave58.6Relatively Moderate at its worst in this ZIP code
Hail46.5Relatively Moderate at its worst in this ZIP code
Strong wind42.3Relatively Moderate at its worst in this ZIP code
Landslide39.2Relatively Low at its worst in this ZIP code
Wildfire31.7Relatively Moderate at its worst in this ZIP code
Lightning28.2Relatively Low at its worst in this ZIP code
Tornado25.3Relatively Moderate at its worst in this ZIP code
Drought16.4Very Low at its worst in this ZIP code
Winter weather16.2Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$75,605$96,334$78,538
Income per person$27,443$47,977$43,289
Poverty rate16.8%12%12.4%
Median home value$524,100$695,400$303,400
Median gross rent$2,039$1,956$1,348
Homeownership44.6%55.8%65%
Bachelor's degree or higher18.4%36.5%35%
Unemployment rate5.5%6.4%5.2%
Works from home7.8%15.5%13.5%
Born outside the US28%26.7%13.9%
Median age31.937.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationONTARIO INTL AP, CA US3.2 km away
Rain in a year12 in

Average high and low by month

January67.7°F / 44.6°F2.57 in rain
February68.1°F / 46.2°F3.07 in rain
March71.7°F / 48.7°F1.64 in rain
April75.7°F / 51.1°F0.76 in rain
May79.8°F / 55.6°F0.3 in rain
June86.4°F / 60°F0.02 in rain
July93.8°F / 64.7°F0.05 in rain
August94.9°F / 65.2°F0.03 in rain
September91.3°F / 63.8°F0.1 in rain
October82.6°F / 57.1°F0.41 in rain
November74.7°F / 49°F0.8 in rain
December66.9°F / 43.6°F1.89 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket24% of this ZIP code's area
Far from a supermarket42% of this ZIP code's area
No vehicle and far from a supermarket5% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Chaffey Joint Union High School District50% of this ZIP code's land area
Ontario-Montclair School District25.1% of this ZIP code's land area
Cucamonga Elementary School District24.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability70more vulnerable than 70% of US census tracts
Socioeconomic status75more vulnerable than 75% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status88more vulnerable than 88% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability11.9 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

91758 Ontario, CA2.8 km away
91743 Guasti, CA3.8 km away
91762 Ontario, CA4.3 km away
91730 Rancho Cucamonga, CA4.5 km away
91729 Rancho Cucamonga, CA4.5 km away
91761 Ontario, CA5 km away
91785 Upland, CA5.2 km away
91786 Upland, CA5.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

San Bernardino County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area7.91 sq mi
Water area0.02 sq mi
Population density7,008 people per sq mi
Latitude, longitude34.0763, -117.6254

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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