Stevenson Ranch, California Zip Codes
📍 Stevenson Ranch is in Los Angeles County, California with 1 zip code; the most populous is 91381.
Stevenson Ranch is a USPS city name in Los Angeles County, California with a Census population of approximately 20,864 across its ZIP codes. Los Angeles County as a whole has 538 ZIP codes in this directory. Below you'll find every zip code serving Stevenson Ranch 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 Stevenson Ranch Zip Codes
Stevenson Ranch at a Glance
Stevenson Ranch has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 20,864 residents, the largest being 91381 with 20,864 people.
The median ZIP in Stevenson Ranch has a household income of $148,873 and a home value of $964,900, a price-to-income ratio of 6.5, in line with the 6.7 California ZIP median. Median rent across these ZIPs is $2,457 a month.
63% of households in the typical Stevenson Ranch ZIP own their home (statewide ZIP median 64%). 55% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 4.9%, far below the 10.8% statewide ZIP median. Overall density is about 528 residents per square mile across 40 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.
Stevenson Ranch Zip Code Map
Interactive map of Stevenson Ranch, California zip codes. Click any marker for details.