Twin Peaks, California Zip Codes
📍 Twin Peaks is in San Bernardino County, California with 1 zip code; the most populous is 92391.
Twin Peaks is a USPS city name in San Bernardino County, California with a Census population of approximately 2,177 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 Twin Peaks 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 Twin Peaks Zip Codes
Twin Peaks at a Glance
Twin Peaks has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 2,177 residents, the largest being 92391 with 2,177 people.
The median ZIP in Twin Peaks has a household income of $75,296 and a home value of $306,300, a price-to-income ratio of 4.1, below the 6.7 California ZIP median.
65% of households in the typical Twin Peaks ZIP own their home (statewide ZIP median 64%). 11% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 22.6%, far above the 10.8% statewide ZIP median. Overall density is about 1,089 residents per square mile across 2 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.
Twin Peaks Zip Code Map
Interactive map of Twin Peaks, California zip codes. Click any marker for details.