Fallbrook, California Zip Codes
📍 Fallbrook is in San Diego County, California with 2 zip codes; the most populous is 92028.
Fallbrook is a USPS city name in San Diego County, California with a Census population of approximately 51,135 across its ZIP codes. San Diego County as a whole has 191 ZIP codes in this directory. Below you'll find every zip code serving Fallbrook 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 Fallbrook Zip Codes
Fallbrook at a Glance
Fallbrook has 2 ZIP codes in this directory: 1 standard delivery ZIP and 1 PO Box or unique ZIP that carries no resident population in Census data. The 1 ZIP with published Census housing data cover 51,135 residents, the largest being 92028 with 51,135 people.
The median ZIP in Fallbrook has a household income of $96,160 and a home value of $710,800, a price-to-income ratio of 7.4, above the 6.7 California ZIP median. Median rent across these ZIPs is $1,637 a month.
70% of households in the typical Fallbrook ZIP own their home (statewide ZIP median 64%). 35% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 12.0%, above the 10.8% statewide ZIP median. Overall density is about 438 residents per square mile across 117 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.
Fallbrook Zip Code Map
Interactive map of Fallbrook, California zip codes. Click any marker for details.