Seal Beach, California Zip Codes
📍 Seal Beach is in Orange County, California with 1 zip code; the most populous is 90740.
Seal Beach is a USPS city name in Orange County, California with a Census population of approximately 24,604 across its ZIP codes. Orange County as a whole has 148 ZIP codes in this directory. Below you'll find every zip code serving Seal Beach 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 Seal Beach Zip Codes
Seal Beach at a Glance
Seal Beach has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 24,604 residents, the largest being 90740 with 24,604 people.
The median ZIP in Seal Beach has a household income of $75,007 and a home value of $476,600, a price-to-income ratio of 6.4, in line with the 6.7 California ZIP median. Median rent across these ZIPs is $2,305 a month.
76% of households in the typical Seal Beach ZIP own their home (statewide ZIP median 64%). 51% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 6.3%, below the 10.8% statewide ZIP median. Overall density is about 2,217 residents per square mile across 11 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.
Seal Beach Zip Code Map
Interactive map of Seal Beach, California zip codes. Click any marker for details.