Rancho Santa Margarita, California Zip Codes
📍 Rancho Santa Margarita is in Orange County, California with 1 zip code; the most populous is 92688.
Rancho Santa Margarita is a USPS city name in Orange County, California with a Census population of approximately 44,444 across its ZIP codes. Orange County as a whole has 148 ZIP codes in this directory. Below you'll find every zip code serving Rancho Santa Margarita 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 Rancho Santa Margarita Zip Codes
Rancho Santa Margarita at a Glance
Rancho Santa Margarita has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 44,444 residents, the largest being 92688 with 44,444 people.
The median ZIP in Rancho Santa Margarita has a household income of $141,089 and a home value of $819,000, a price-to-income ratio of 5.8, below the 6.7 California ZIP median. Median rent across these ZIPs is $2,446 a month.
70% of households in the typical Rancho Santa Margarita ZIP own their home (statewide ZIP median 64%). 49% 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 3,367 residents per square mile across 13 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.
Rancho Santa Margarita Zip Code Map
Interactive map of Rancho Santa Margarita, California zip codes. Click any marker for details.