91761 ZIP Code — Ontario, CA

San Bernardino County, California

ZIP code 91761 is located in Ontario, California, within San Bernardino County. It covers approximately 28.49 square miles and serves a population of 61,837 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909/951.

About ZIP code 91761

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $543,400. Owner-occupancy sits near the national average at 66%.

Median household income is $89,041.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.

61,837
population
28.49
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91761 ZIP code map
Cities in ZIP code 91761

Below are the cities the US Postal Service accepts for ZIP code 91761. Using any city not on this list may result in mail delivery delays.

City Status
Ontario Preferred
Nearby ZIP codes
91762 Ontario (2.8 mi) 91762 Ontario (2.8 mi) 91764 Ontario (3.5 mi) 91752 Mira Loma (4.1 mi) 91758 Ontario (4.4 mi) 91710 Chino (4.9 mi) 91710 Chino (4.9 mi) 91710 Chino (4.9 mi) 91730 Rancho Cucamonga (5.1 mi) 91708 Chino (6.1 mi) 91786 Upland (6.9 mi) 92860 Norco (7.1 mi)
Demographics updated 06/2026
Population
Total population 61,837
Population density 2,170 / sq mi
State FIPS 06
County FIPS 071
Geography
Land area 28.49 sq mi
Water area 0.01 sq mi
Latitude 34.0267
Longitude -117.5875
Timezone Pacific (PT)
Area code 909/951
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 27.3% 37.7% 32.6%
$50k – $100k 37.4% 32.0% 27.7%
$100k – $200k 30.9% 23.9% 26.4%
Over $200k 4.4% 6.3% 13.3%

Demographics & statistics

61,837
Population
2,170
People per sq mi
33.3
Median age
$89,041
Median household income
$32,234
Per capita income
$543,400
Median home value
$1,820
Median monthly rent
65.9%
Home ownership
9.6%
Poverty rate
6.0%
Unemployment
12,197
Housing units
20.6%
Bachelor's or higher

Age distribution

Male Female
1,949
Under 5
2,052
1,914
5–9
2,015
2,026
10–14
2,133
2,235
15–19
2,353
2,613
20–24
2,750
5,071
25–34
5,337
3,935
35–44
4,142
3,611
45–54
3,801
1,791
55–59
1,885
1,455
60–64
1,531
2,383
65–74
2,508
864
75–84
910
279
85+
294
← Male
Female →

Age summary

GroupCount%
Under 1814,87824.1%
18 and over46,95975.9%
65 and over7,23811.7%
Median age33.3 years

Race & ethnicity

Hispanic or Latino 31.4%
White 24.5%
Other race 18.8%
Two or more races 15%
Asian 5.6%
Black or African American 3.3%
American Indian / Alaska Native 1.2%
Native Hawaiian / Pacific Islander 0.3%
GroupCount%
Hispanic or Latino28,30631.4%
White22,07424.5%
Other race16,91918.8%
Two or more races13,51915%
Asian5,0385.6%
Black or African American2,9623.3%
American Indian / Alaska Native1,0481.2%
Native Hawaiian / Pacific Islander2770.3%

Household income

Income range This ZIP County avg State avg
Under $50k 27.3% 37.7% 32.6%
$50k – $100k 37.4% 32.0% 27.7%
$100k – $200k 30.9% 23.9% 26.4%
Over $200k 4.4% 6.3% 13.3%
Under $10k 3.5%
$10k–$15k 0.9%
$15k–$25k 4.4%
$25k–$35k 4.7%
$35k–$50k 8.8%
$50k–$75k 17.7%
$75k–$100k 14.7%
$100k–$150k 21.3%
$150k–$200k 15.7%
$200k+ 8.4%
Range% of households
Under $10k3.5%
$10k–$15k0.9%
$15k–$25k4.4%
$25k–$35k4.7%
$35k–$50k8.8%
$50k–$75k17.7%
$75k–$100k14.7%
$100k–$150k21.3%
$150k–$200k15.7%
$200k+8.4%
Median income$89,041

Housing

Home values

Under $50k 4.1%
$50k–$100k 4.9%
$100k–$150k 1.8%
$150k–$200k 2.1%
$200k–$300k 2.9%
$300k–$500k 25.3%
$500k–$1M 57.9%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$543,400
Median rent / month$1,820
Owner occupied65.9%
Renter occupied34.1%
Vacant2.7%
Single-family detached65.2%
Large apartment buildings9.7%
Mobile homes7.7%
Median rooms5.5
Avg household size (owned)3.41

Year built

Era%
2020 or later3.3%
2010–20198.1%
2000–20098.1%
1990–199913.0%
1980–198928.3%
1970–197926.4%
1960–19694.4%
1950–19595.2%
1940–19491.8%
1939 or earlier1.4%

Bedrooms

Size% of units
No bedroom (studio)2.3%
1 bedroom7.1%
2 bedrooms25.4%
3 bedrooms32.0%
4 bedrooms30.5%
5+ bedrooms2.8%

Vehicles per household

Vehicles% of households
No vehicle1.9%
1 vehicle23.0%
2 vehicles35.7%
3 or more39.3%

Heating fuel

Fuel type%
Utility gas76.7%
Electricity20.0%
Propane / LP gas1.2%
Solar0.4%
No fuel used1.8%

Households & families

Household typeCount%
Married-couple family9,82355.3%
Cohabiting couple1,1116.3%
Male householder, no spouse2,97616.8%
Female householder, no spouse3,85721.7%
Households with children under 187,25340.8%
Households with seniors (65+)5,19329.2%
Average household size3.47

Marital status

StatusMaleFemale
Never married42.2%38.2%
Married47.4%46.0%
Separated2.0%2.2%
Widowed1.8%5.0%
Divorced6.5%8.6%

Education

Less than 9th grade 10.2%
Some HS, no diploma 10.9%
HS graduate 26.6%
Some college, no degree 22.7%
Associate's degree 8.9%
Bachelor's degree 14.8%
Graduate / professional 5.8%
Metric%
HS diploma or higher78.9%
Bachelor's or higher20.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool5713.3%
Kindergarten8525.0%
Elementary school6,49237.7%
High school3,97623.1%
College / grad school5,31930.9%

Employment

Industry of employment

Education & healthcare 18.0%
Retail trade 13.8%
Transportation & utilities 13.7%
Manufacturing 11.4%
Professional & management 10.6%
Arts, food & hospitality 8.9%
Construction 7.0%
Finance & real estate 4.0%
Wholesale trade 3.7%
Other services 3.6%
Public administration 3.4%
Agriculture & mining 1.0%
Information 0.9%

Occupation

Category%
Management, business & arts28.1%
Service16.1%
Sales & office22.0%
Natural resources & construction10.4%
Production & transportation23.4%

Employment type

Type%
Private sector83.0%
Government11.6%
Self-employed5.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone78.8%
Carpool12.9%
Public transit0.5%
Walk1.1%
Work from home6.0%
Other means0.7%
Avg commute (minutes)31.5

Poverty

All people 9.6%
Under 18 years 13.8%
18 and over 8.2%
Married-couple families 4.5%
Female-led households 19.4%

Income support

Source% of households
Social Security27.0%
Retirement income18.5%
Supplemental Security4.3%
Cash public assistance2.4%
Food stamps / SNAP10.2%

Health indicators

Condition%
Obesity38.5%
High blood pressure25.1%
High cholesterol27.3%
Diabetes9.8%
Heart disease4.1%
Stroke2.1%
Asthma9.8%
Arthritis16.3%
Kidney disease2.3%
Pulmonary disease4.3%
Cancer3.8%
Behavior / access%
Smoking12.8%
Binge drinking19.8%
No physical activity24.0%
Less than 7 hrs sleep36.9%
Depression16.8%
Fair or poor health16.3%
Poor mental health15.4%
Poor physical health9.9%
No health insurance19.6%
Visited doctor (checkup)62.2%
Visited dentist60.7%
Cholesterol screening88.5%
Teeth loss12.7%

Veterans & disability

VeteransCount%
Civilian veterans1,2902.7%
Disability%
Any disability8.4%
Under 182.4%
18–64 years5.7%
65 and over35.6%

Health insurance coverage

Type%
Private insurance61.1%
Public insurance38.6%
No insurance8.0%
Uninsured under 194.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only57,83693.5%
Spanish10,77918.6%
Other Indo-European8,69615.0%
Asian & Pacific Islander3110.5%
Other languages1,6692.9%

Place of birth & citizenship

OriginCount%
Native born (US)46,59275.3%
Born in same state45,56873.7%
Born in different state41,57567.2%
Foreign born1,0241.7%
Naturalized citizen15,24524.7%
Not a US citizen8,37354.9%

Ancestry

AncestryCount%
French1,5842.6%
Italian1,4652.4%
Arab1,2322%
English7481.2%
Polish2260.4%
AncestryCount%
Dutch1190.2%
Irish760.1%
German550.1%
Norwegian130%

Technology access

Metric% of households
Computer access28.7%
Internet access96.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 91761

What part of Ontario is ZIP code 91761?

ZIP code 91761 covers a portion of Ontario, California, within San Bernardino County.

What county is ZIP code 91761 in?

ZIP code 91761 falls within San Bernardino County, California.

What is the typical home value in ZIP code 91761?

The median home value in ZIP code 91761 is $543,400.

What is the population of ZIP code 91761?

ZIP code 91761 has an estimated population of 61,837 residents, with a density of 2,170 people per square mile.

What is the median household income in ZIP code 91761?

The median household income in ZIP code 91761 is $89,041, above the national median of ~$75,000.

What timezone is ZIP code 91761 in?

ZIP code 91761 observes the PST timezone.

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