Postal Codes

91761 ZIP Code

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ZIP code 91761 covers Ontario, California, with a population of about 62,506 and a median household income of $97,396.

Population
62,5062,194 per square mile
Median age
33.45.3 points below the US average
Median household income
$97,396about the California median
Poverty rate
8.6%3.8 points below the US average
Typical home value
$689,821up 21.1% in five years
Median rent
$2,015about the California median
Degree or higher
21.4%13.6 points below the US average
Homeownership
67.5%2.5 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
2,894

Where 91761 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

Population62,506
Median age33.4
Family households79.6%
Born outside the US24%
Speaks a language other than English at home49.1%
White (non-Hispanic)14.7%
Black (non-Hispanic)5.6%
Asian (non-Hispanic)9.2%
Hispanic or Latino66.4%
Veterans3%
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$97,396
Income per person$33,914
Poverty rate8.6%
Households on SNAP or cash assistance13.4%

Household income distribution

Under $10k3.6%
$10–15k0.8%
$15–20k1.7%
$20–25k2.3%
$25–30k2.3%
$30–35k2.1%
$35–40k2.2%
$40–45k2.0%
$45–50k2.9%
$50–60k6.6%
$60–75k10.3%
$75–100k14.1%
$100–125k13.3%
$125–150k8.2%
$150–200k16.0%
$200k or more11.5%

Income as declared to the IRS

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

Tax returns filed31,070
Mean adjusted gross income$67,055
Returns declaring $200,000 or more3.3%
Returns, under $25k25.8%
Returns, $25k–$50k26.7%
Returns, $50k–$75k16.8%
Returns, $75k–$100k10.6%
Returns, $100k–$200k16.9%
Returns, $200k or more3.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$590,000
Median gross rent$2,015
Rent as a share of household income32.7%
Owner-occupied67.5%
Vacant homes2.7%
Median year built1985

What the homes are

Detached house65.9%
Attached house7.4%
2 to 4 units3.8%
5 to 19 units6.2%
20 or more units9.2%
Mobile home7.5%
Boat, RV or van0.1%
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$689,821as of 2026-07
Typical home value, 1 yeardown 1.6%
Typical home value, 5 yearsup 21.1%
Typical home value, 10 yearsup 82.5%
Typical asking rent$2,788as of 2026-07
Typical asking rent, 1 yearup 1.5%
Typical asking rent, 5 yearsup 24.3%
Typical home value since 2000
200020132026$706,981$167,990

$167,990 in 2000 to $689,821 in 2026.

Typical asking rent
201820222026$2,788$1,821

$1,821 in 2018 to $2,788 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.1%
Bachelor's degree or higher21.4%
High school diploma or higher80.7%
Works from home6.6%
Drives to work alone78%
Takes public transport0.8%
Commutes 45 minutes or more25.6%
Health

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

Obesity32.4% 1 pts below the national average of 33.4%
Diagnosed diabetes11.7% same as the national average of 12%
Currently smokes11.1% 2.1 pts below the national average of 13.2%
High blood pressure29.8% 4.3 pts below the national average of 34.1%
Fair or poor general health24.6% 4.3 pts above the national average of 20.3%
No health insurance (18–64)15.1% 3.8 pts above the national average of 11.3%
Depression18.6% 3.3 pts below the national average of 21.9%
No leisure-time physical activity25.8% same as the national average of 25.4%
Arthritis19.5% 5.6 pts below the national average of 25.1%
Binge drinking15.8% same as the national average of 16%
Taking blood pressure medication67.5% 7.2 pts below the national average of 74.7%
Cancer (non-skin)4.7% 3 pts below the national average of 7.7%
Current asthma9.5% 0.9 pts below the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year69% 7.7 pts below the national average of 76.7%
Cholesterol screening84% 1.9 pts below the national average of 85.9%
Cognitive disability15.8% 1 pts above the national average of 14.8%
Colorectal screening53.8% 10.5 pts below the national average of 64.3%
COPD4.3% 2.3 pts below the national average of 6.6%
Visited a dentist56% 5.3 pts below the national average of 61.3%
Any disability29.8% 0.9 pts below the national average of 30.7%
Lacks emotional support31.2% 6.4 pts above the national average of 24.8%
Food insecurity22.5% 5.4 pts above the national average of 17.1%
Received food stamps18.4% 4.1 pts above the national average of 14.3%
Hearing disability5% 1.7 pts below the national average of 6.7%
High cholesterol33.4% 2.8 pts below the national average of 36.2%
Housing insecurity18.7% 4.9 pts above the national average of 13.8%
Independent living disability8.1% same as the national average of 8.4%
Lacks transport11.1% 1.9 pts above the national average of 9.2%
Loneliness38.7% 4.3 pts above the national average of 34.4%
Mammography use73.7% 2.2 pts below the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability13% 1 pts below the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability4% same as the national average of 4%
Utility shut-off threat8.6% same as the national average of 8.8%
Sleeps under 7 hours38% 1.6 pts above the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost10.2% 2.8 pts below the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments2,894
People employed80,932
Annual payroll$4,693,122,000
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 96.1% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 18 census tracts this ZIP code covers
Expected annual loss96.1 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.

River flooding97.4Very High at its worst in this ZIP code
Earthquake97.1Very High at its worst in this ZIP code
Wildfire83.5Very High at its worst in this ZIP code
Landslide63Relatively Low at its worst in this ZIP code
Hail62.8Relatively Moderate at its worst in this ZIP code
Strong wind57.6Relatively Moderate at its worst in this ZIP code
Heat wave54Relatively Moderate at its worst in this ZIP code
Tornado36.4Relatively Moderate at its worst in this ZIP code
Lightning28.8Relatively Low at its worst in this ZIP code
Drought17.5Very Low at its worst in this ZIP code
Winter weather16.4Very 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$97,396$96,334$78,538
Income per person$33,914$47,977$43,289
Poverty rate8.6%12%12.4%
Median home value$590,000$695,400$303,400
Median gross rent$2,015$1,956$1,348
Homeownership67.5%55.8%65%
Bachelor's degree or higher21.4%36.5%35%
Unemployment rate6.1%6.4%5.2%
Works from home6.6%15.5%13.5%
Born outside the US24%26.7%13.9%
Median age33.437.638.7
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 supermarketNone of this ZIP code
Far from a supermarket65% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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 5 school districts, so the address decides which one, not the ZIP code.

Chaffey Joint Union High School District46.4% of this ZIP code's land area
Mountain View Elementary School District19.6% of this ZIP code's land area
Cucamonga Elementary School District14.3% of this ZIP code's land area
Ontario-Montclair School District12.6% of this ZIP code's land area
Chino Valley Unified School District7.2% 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 status71more vulnerable than 71% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status86more vulnerable than 86% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability10.2 out of 20Below average
Nearby ZIP codes

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

91758 Ontario, CA4.6 km away
91743 Guasti, CA4.8 km away
91764 Ontario, CA5 km away
91762 Ontario, CA5.3 km away
91710 Chino, CA6.4 km away
91729 Rancho Cucamonga, CA8.6 km away
91730 Rancho Cucamonga, CA8.7 km away
91763 Montclair, CA8.7 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 area28.49 sq mi
Water area0.01 sq mi
Population density2,194 people per sq mi
Latitude, longitude34.0316, -117.6187

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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