91764 ZIP Code — Ontario, CA

San Bernardino County, California

ZIP code 91764 is located in Ontario, California, within San Bernardino County. It covers approximately 7.91 square miles and serves a population of 55,311 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909/951.

About ZIP code 91764

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $475,300. Renters make up the majority at 55%, typical of denser urban areas.

Median household income is $71,336.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include Spanish spoken in 25% of households.

55,311
population
7.91
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91764 ZIP code map
Cities in ZIP code 91764

Below are the cities the US Postal Service accepts for ZIP code 91764. Using any city not on this list may result in mail delivery delays.

City Status
Ontario Preferred
Nearby ZIP codes
91730 Rancho Cucamonga (1.6 mi) 91761 Ontario (3.5 mi) 91758 Ontario (3.7 mi) 91762 Ontario (4.2 mi) 91762 Ontario (4.2 mi) 91786 Upland (4.7 mi) 91701 Rancho Cucamonga (4.7 mi) 91739 Rancho Cucamonga (5 mi) 91737 Rancho Cucamonga (5.2 mi) 91784 Upland (6.4 mi) 91763 Montclair (6.5 mi) 91710 Chino (6.8 mi)
Demographics updated 06/2026
Population
Total population 55,311
Population density 6,993 / sq mi
State FIPS 06
County FIPS 071
Geography
Land area 7.91 sq mi
Water area 0.02 sq mi
Latitude 34.0780
Longitude -117.5874
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 39.8% 37.7% 32.6%
$50k – $100k 37.1% 32.0% 27.7%
$100k – $200k 19.9% 23.9% 26.4%
Over $200k 3.1% 6.3% 13.3%

Demographics & statistics

55,311
Population
6,993
People per sq mi
31.8
Median age
$71,336
Median household income
$26,285
Per capita income
$475,300
Median home value
$1,979
Median monthly rent
44.8%
Home ownership
15.8%
Poverty rate
5.7%
Unemployment
8,006
Housing units
16.5%
Bachelor's or higher

Age distribution

Male Female
1,485
Under 5
1,511
1,903
5–9
1,935
1,921
10–14
1,955
2,364
15–19
2,405
2,471
20–24
2,514
5,006
25–34
5,093
3,952
35–44
4,020
3,306
45–54
3,364
1,414
55–59
1,438
1,371
60–64
1,395
1,408
65–74
1,433
628
75–84
639
188
85+
192
← Male
Female →

Age summary

GroupCount%
Under 1813,78224.9%
18 and over41,52975.1%
65 and over4,4888.1%
Median age31.8 years

Race & ethnicity

Hispanic or Latino 33.2%
White 21%
Other race 20.2%
Two or more races 15%
Black or African American 5%
Asian 4%
American Indian / Alaska Native 1.4%
Native Hawaiian / Pacific Islander 0.2%
GroupCount%
Hispanic or Latino27,46833.2%
White17,39721%
Other race16,69820.2%
Two or more races12,38615%
Black or African American4,1795%
Asian3,3314%
American Indian / Alaska Native1,1791.4%
Native Hawaiian / Pacific Islander1410.2%

Household income

Income range This ZIP County avg State avg
Under $50k 39.8% 37.7% 32.6%
$50k – $100k 37.1% 32.0% 27.7%
$100k – $200k 19.9% 23.9% 26.4%
Over $200k 3.1% 6.3% 13.3%
Under $10k 4.1%
$10k–$15k 3.5%
$15k–$25k 8.2%
$25k–$35k 7.8%
$35k–$50k 8.7%
$50k–$75k 20.9%
$75k–$100k 15.2%
$100k–$150k 19.1%
$150k–$200k 7.3%
$200k+ 5.2%
Range% of households
Under $10k4.1%
$10k–$15k3.5%
$15k–$25k8.2%
$25k–$35k7.8%
$35k–$50k8.7%
$50k–$75k20.9%
$75k–$100k15.2%
$100k–$150k19.1%
$150k–$200k7.3%
$200k+5.2%
Median income$71,336

Housing

Home values

Under $50k 4.5%
$50k–$100k 2.3%
$100k–$150k 0.5%
$150k–$200k 0.9%
$200k–$300k 2.7%
$300k–$500k 47.2%
$500k–$1M 40.0%
$1M+ 2.0%

Housing overview

MetricValue
Median home value$475,300
Median rent / month$1,979
Owner occupied44.8%
Renter occupied55.2%
Vacant3.5%
Single-family detached48.4%
Large apartment buildings16.9%
Mobile homes3.4%
Median rooms4.7
Avg household size (owned)3.55

Year built

Era%
2020 or later0.4%
2010–20198.1%
2000–20099.0%
1990–199911.0%
1980–198916.4%
1970–197913.7%
1960–196910.9%
1950–195917.7%
1940–19495.4%
1939 or earlier7.4%

Bedrooms

Size% of units
No bedroom (studio)4.5%
1 bedroom13.6%
2 bedrooms35.7%
3 bedrooms31.5%
4 bedrooms13.4%
5+ bedrooms1.3%

Vehicles per household

Vehicles% of households
No vehicle3.8%
1 vehicle29.4%
2 vehicles36.2%
3 or more30.6%

Heating fuel

Fuel type%
Utility gas69.5%
Electricity24.9%
Propane / LP gas2.6%
Solar0.3%
No fuel used1.9%

Households & families

Household typeCount%
Married-couple family7,57145.8%
Cohabiting couple1,5079.1%
Male householder, no spouse3,17319.2%
Female householder, no spouse4,27425.9%
Households with children under 187,21143.6%
Households with seniors (65+)3,17919.2%
Average household size3.32

Marital status

StatusMaleFemale
Never married49.6%43.3%
Married41.1%39.3%
Separated0.9%2.9%
Widowed1.8%5.0%
Divorced6.5%9.5%

Education

Less than 9th grade 14.8%
Some HS, no diploma 12.3%
HS graduate 26.6%
Some college, no degree 21.5%
Associate's degree 8.2%
Bachelor's degree 12.3%
Graduate / professional 4.2%
Metric%
HS diploma or higher72.9%
Bachelor's or higher16.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool7614.4%
Kindergarten6844.0%
Elementary school6,14235.9%
High school3,91222.8%
College / grad school5,63132.9%

Employment

Industry of employment

Education & healthcare 15.9%
Retail trade 14.5%
Transportation & utilities 13.7%
Manufacturing 11.0%
Arts, food & hospitality 10.7%
Professional & management 8.4%
Construction 8.0%
Other services 5.8%
Finance & real estate 3.5%
Public administration 3.5%
Wholesale trade 3.0%
Information 1.5%
Agriculture & mining 0.4%

Occupation

Category%
Management, business & arts23.8%
Service17.3%
Sales & office22.3%
Natural resources & construction10.7%
Production & transportation25.9%

Employment type

Type%
Private sector81.5%
Government12.2%
Self-employed6.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone77.4%
Carpool12.1%
Public transit1.1%
Walk1.4%
Work from home6.6%
Other means1.5%
Avg commute (minutes)30.7

Poverty

All people 15.8%
Under 18 years 21.5%
18 and over 13.9%
Married-couple families 9.9%
Female-led households 20.6%

Income support

Source% of households
Social Security19.7%
Retirement income16.6%
Supplemental Security7.2%
Cash public assistance3.8%
Food stamps / SNAP12.2%

Health indicators

Condition%
Obesity40.4%
High blood pressure25.3%
High cholesterol26.8%
Diabetes10.1%
Heart disease4.3%
Stroke2.3%
Asthma10.3%
Arthritis16.4%
Kidney disease2.5%
Pulmonary disease4.8%
Cancer3.6%
Behavior / access%
Smoking14.4%
Binge drinking19.6%
No physical activity26.8%
Less than 7 hrs sleep37.7%
Depression17.7%
Fair or poor health19.0%
Poor mental health16.6%
Poor physical health11.0%
No health insurance23.0%
Visited doctor (checkup)61.4%
Visited dentist55.6%
Cholesterol screening86.6%
Teeth loss15.5%

Veterans & disability

VeteransCount%
Civilian veterans1,0362.5%
Disability%
Any disability10.1%
Under 184.7%
18–64 years9.0%
65 and over37.5%

Health insurance coverage

Type%
Private insurance52.8%
Public insurance42.3%
No insurance11.4%
Uninsured under 195.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only52,31594.6%
Spanish13,24025.3%
Other Indo-European11,81222.6%
Asian & Pacific Islander640.1%
Other languages1,1922.3%

Place of birth & citizenship

OriginCount%
Native born (US)38,94470.4%
Born in same state38,05868.8%
Born in different state33,78161.1%
Foreign born8861.6%
Naturalized citizen16,36729.6%
Not a US citizen6,94542.4%

Ancestry

AncestryCount%
Arab1,0932%
French9251.7%
Italian8651.6%
English1330.2%
Polish1200.2%
AncestryCount%
Irish1170.2%
Dutch550.1%
German470.1%
Norwegian50%

Technology access

Metric% of households
Computer access29.9%
Internet access97.8%

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

Frequently asked questions about ZIP code 91764

What part of Ontario is ZIP code 91764?

ZIP code 91764 covers a portion of Ontario, California, within San Bernardino County.

What county is ZIP code 91764 in?

ZIP code 91764 falls within San Bernardino County, California.

Is Spanish widely spoken in ZIP code 91764?

Approximately 25% of households in ZIP code 91764 speak Spanish as a primary language.

Is ZIP code 91764 mostly rentals?

55% of occupied units in ZIP code 91764 are renter-occupied.

What is the poverty rate in ZIP code 91764?

16% of residents in ZIP code 91764 live below the poverty line, above the national average.

What is the typical home value in ZIP code 91764?

The median home value in ZIP code 91764 is $475,300.

What timezone is ZIP code 91764 in?

ZIP code 91764 observes the PST timezone.

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