Winchester, California Zip Codes
📍 Winchester is in Riverside County, California with 1 zip code; the most populous is 92596.
Winchester is a USPS city name in Riverside County, California with a Census population of approximately 35,726 across its ZIP codes. Riverside County as a whole has 101 ZIP codes in this directory. Below you'll find every zip code serving Winchester 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 Winchester Zip Codes
Winchester at a Glance
Winchester has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 35,726 residents, the largest being 92596 with 35,726 people.
The median ZIP in Winchester has a household income of $114,542 and a home value of $581,200, a price-to-income ratio of 5.1, below the 6.7 California ZIP median. Median rent across these ZIPs is $2,343 a month.
82% of households in the typical Winchester ZIP own their home (statewide ZIP median 64%). 31% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 7.6%, below the 10.8% statewide ZIP median. Overall density is about 617 residents per square mile across 58 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.
Winchester Zip Code Map
Interactive map of Winchester, California zip codes. Click any marker for details.