San Bernardino County, California Zip Codes
📍 San Bernardino County has 121 zip codes with a population of 2,172,604.
San Bernardino County is located in California with a land area of 8,716 square miles. The county seat is San Bernardino. Below you'll find all 121 zip codes in San Bernardino County with population, income and home value, the county's affordability profile, and links to its 64 city pages.
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 San Bernardino County Zip Codes
San Bernardino County at a Glance
San Bernardino County has 121 ZIP codes in this directory: 86 standard delivery ZIPs and 35 PO Box or unique ZIPs that carry no resident population in Census data. The 76 ZIPs with published Census housing data cover 2,172,604 residents, the largest being 92336 (Fontana) with 100,571 people.
The median ZIP in San Bernardino County has a household income of $71,552 and a home value of $378,000, a price-to-income ratio of 5.3, below the 6.7 California ZIP median. Affordability ranges from 93562 in Trona at a ratio of 1.1 to 91784 in Upland, where the median home is $801,400. The highest median income is in 91784 (Upland) at $145,496. Median rent across these ZIPs is $1,451 a month.
67% of households in the typical San Bernardino County ZIP own their home (statewide ZIP median 64%). 19% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 14.6%, above the 10.8% statewide ZIP median. Overall density is about 249 residents per square mile across 8,716 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.
San Bernardino County Zip Code Map
Interactive map of San Bernardino County, California zip codes.