ZIP Code 91764 — Ontario, California
ZIP code 91764 is located in Ontario, San Bernardino County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 55,311. The area code for zip code 91764 is 909.
📍 ZIP code 91764 is in Ontario, San Bernardino County, California.
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Coordinates: 34.0633° N, 117.6509° W
ZIP Code 91764 Demographics
Population
Income
Housing
Education
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
Affordability & Profile: ZIP 91764 in Context
The median home in 91764 is valued at $475,300 against a median household income of $71,336, a price-to-income ratio of 6.7. That is below the 11.1 median across the 95 ZIP codes on this site and well past the 3.0 ratio that marks an attainable market nationally, so buying here on a local median income requires substantial savings or a second income. Renting takes 33.3% of median household income (median rent $1,979 a month), above the 30% cost-burden threshold.
91764 ranks 52 of 95 on median household income and 91 of 95 on median home value. 45% of households own their home, above the 36% metro median, so most residents rent. 16% of adults hold a bachelor's degree or higher (rank 80 of 95), and the poverty rate is 15.8%, in line with the 15.1% metro median. Unemployment stands at 5.7%.
With 8,641 residents per square mile, 91764 is less dense than the metro median of 11,522 (rank 79 of 95). This is predominantly single-family residential with suburban street patterns.
Ratios and ranks are computed from the ACS figures above across all 95 ZIP codes on this site. See the 2026 affordability report for the metro-wide analysis and the methodology for definitions.