Ontario, CA ZIP codes

4 ZIP/ZCTAs intersecting this Census place in San Bernardino County.

ACS 2023 population

178,347

Median household income

$82,806

Median home value

$568,000

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Ontario (GEOID 0653896). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 237,093 (4 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Ontario, CA

Census place boundary and intersecting ZIP Code Tabulation Areas for Ontario, CA — Census place boundary for Ontario, CA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Ontario

Population overlap

Share of each ZIP/ZCTA’s population located within Ontario, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

91761100.0%
USPS primary city
9176295.4%
USPS primary city
91764100.0%
USPS primary city
917860.0%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Ontario

ZIP	City	County	Population	Income
91761	Ontario	San Bernardino County	62,506	$97,396
91762	Ontario	San Bernardino County	63,656	$76,289
91764	Ontario	San Bernardino County	55,412	$75,605
91786	Upland	San Bernardino County	55,519	$86,961

USPS associates these ZIPs with Ontario

These codes list Ontario as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
91710	Chino	San Bernardino County	80,186	$104,205
91758	Ontario	San Bernardino County	—	—
91798	Ontario	San Bernardino County	—	—