Home > CA > Orange County > Los Alamitos > Zip 90720

Zip Code 90720 — Los Alamitos, CA

ZIP Code 90720 is associated with Los Alamitos, CA, in Orange County. The listed population estimate is 23,805; estimated density is 1,511.9 people per square mile. Among records with population estimates, it ranks #63 of 87 in Orange County and #746 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (33.795730, -118.063420)

Data MetricLocal Statistic
Postal / Zip Code90720
Primary CityLos Alamitos
State / ProvinceCA
CountyOrange
Total Population23,805
Population Density1,511.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 90720 Compares

MetricZIP 90720Orange County recordsCA records
Population estimate23,8053,138,331 (sum)39,286,245 (sum)
Population Density1,511.9 /sq mi----
County population rank#63 of 87----
State population rank#746 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 90630Cypress2.1 mi49,318
ZIP 92845Garden Grove2.3 mi16,143
ZIP 90716Hawaiian Gardens2.5 mi13,599
ZIP 90740Seal Beach2.9 mi24,254
ZIP 90815Long Beach3.0 mi43,023

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →