ZIP Code 91761 — Ontario, California
ZIP code 91761 is located in Ontario, San Bernardino County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 61,837. The area code for zip code 91761 is 909.
📍 ZIP code 91761 is in Ontario, San Bernardino County, California.
Quick Facts
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Coordinates: 34.04° N, 117.62° W
ZIP Code 91761 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 91761 in Context
The median home in 91761 is valued at $543,400 against a median household income of $89,041, a price-to-income ratio of 6.1. 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 24.5% of median household income (median rent $1,820 a month), under the 30% cost-burden threshold.
91761 ranks 36 of 95 on median household income and 84 of 95 on median home value. 66% of households own their home, far above the 36% metro median, making this a majority-owner ZIP. 21% of adults hold a bachelor's degree or higher (rank 71 of 95), and the poverty rate is 9.6%, below the 15.1% metro median. Unemployment stands at 6.0%.
With 11,419 residents per square mile, 91761 is in line with the metro median of 11,522 (rank 52 of 95). This is a mixed urban fabric of apartments, small-lot houses and commercial corridors.
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.