Rialto, California Zip Codes
📍 Rialto is in San Bernardino County, California with 2 zip codes; the most populous is 92376.
Rialto is a USPS city name in San Bernardino County, California with a Census population of approximately 106,662 across its ZIP codes. San Bernardino County as a whole has 121 ZIP codes in this directory. Below you'll find every zip code serving Rialto with population, income and home value, a map, and the city's affordability profile.
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).
All Rialto Zip Codes
Rialto at a Glance
Rialto has 2 ZIP codes in this directory: 2 standard delivery ZIPs. The 2 ZIPs with published Census housing data cover 106,662 residents, the largest being 92376 with 85,727 people.
The median ZIP in Rialto has a household income of $90,399 and a home value of $434,250, a price-to-income ratio of 4.9, below the 6.7 California ZIP median. The highest median income is in 92377 at $108,973. Median rent across these ZIPs is $1,817 a month.
71% of households in the typical Rialto ZIP own their home (statewide ZIP median 64%). 17% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 11.8%, above the 10.8% statewide ZIP median. Overall density is about 5,203 residents per square mile across 21 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Rialto Zip Code Map
Interactive map of Rialto, California zip codes. Click any marker for details.