Santa Margarita, California Zip Codes
📍 Santa Margarita is in San Luis Obispo County, California with 1 zip code; the most populous is 93453.
Santa Margarita is a USPS city name in San Luis Obispo County, California with a Census population of approximately 2,096 across its ZIP codes. San Luis Obispo County as a whole has 34 ZIP codes in this directory. Below you'll find every zip code serving 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 Santa Margarita Zip Codes
Santa Margarita at a Glance
Santa Margarita has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 2,096 residents, the largest being 93453 with 2,096 people.
The median ZIP in Santa Margarita has a household income of $76,250 and a home value of $623,900, a price-to-income ratio of 8.2, above the 6.7 California ZIP median. Median rent across these ZIPs is $638 a month.
64% of households in the typical Santa Margarita ZIP own their home (statewide ZIP median 64%). 46% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 6.3%, below the 10.8% statewide ZIP median. Overall density is about 3 residents per square mile across 691 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.
Santa Margarita Zip Code Map
Interactive map of Santa Margarita, California zip codes. Click any marker for details.