Costa Mesa, California Zip Codes
📍 Costa Mesa is in Orange County, California with 3 zip codes; the most populous is 92627.
Costa Mesa is a USPS city name in Orange County, California with a Census population of approximately 112,379 across its ZIP codes. Orange County as a whole has 148 ZIP codes in this directory. Below you'll find every zip code serving Costa Mesa 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 Costa Mesa Zip Codes
Costa Mesa at a Glance
Costa Mesa has 3 ZIP codes in this directory: 2 standard delivery ZIPs and 1 PO Box or unique ZIP that carries no resident population in Census data. The 2 ZIPs with published Census housing data cover 112,379 residents, the largest being 92627 with 62,181 people.
The median ZIP in Costa Mesa has a household income of $105,464 and a home value of $960,000, a price-to-income ratio of 9.1, above the 6.7 California ZIP median. Affordability ranges from 92627 at a ratio of 9.1 to 92626, where the median home is $962,000. The highest median income is in 92627 at $105,647. Median rent across these ZIPs is $2,281 a month.
40% of households in the typical Costa Mesa ZIP own their home (statewide ZIP median 64%). 43% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 9.4%, below the 10.8% statewide ZIP median. Overall density is about 6,980 residents per square mile across 16 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.
Costa Mesa Zip Code Map
Interactive map of Costa Mesa, California zip codes. Click any marker for details.