Los Alamitos, California Zip Codes
📍 Los Alamitos is in Orange County, California with 2 zip codes; the most populous is 90720.
Los Alamitos is a USPS city name in Orange County, California with a Census population of approximately 23,673 across its ZIP codes. Orange County as a whole has 148 ZIP codes in this directory. Below you'll find every zip code serving Los Alamitos 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 Los Alamitos Zip Codes
Los Alamitos at a Glance
Los Alamitos has 2 ZIP codes in this directory: 1 standard delivery ZIP and 1 PO Box or unique ZIP that carries no resident population in Census data. The 1 ZIP with published Census housing data cover 23,673 residents, the largest being 90720 with 23,673 people.
The median ZIP in Los Alamitos has a household income of $131,660 and a home value of $1,127,100, a price-to-income ratio of 8.6, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,366 a month.
65% of households in the typical Los Alamitos ZIP own their home (statewide ZIP median 64%). 53% 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 3,881 residents per square mile across 6 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.
Los Alamitos Zip Code Map
Interactive map of Los Alamitos, California zip codes. Click any marker for details.