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Zip Code 90740 — Seal Beach, CA

ZIP Code 90740 is associated with Seal Beach, CA, in Orange County. The listed population estimate is 24,254; estimated density is 846.8 people per square mile. Among records with population estimates, it ranks #60 of 87 in Orange County and #733 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (33.754610, -118.071290)

Data MetricLocal Statistic
Postal / Zip Code90740
Primary CitySeal Beach
State / ProvinceCA
CountyOrange
Total Population24,254
Population Density846.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 90740 Compares

MetricZIP 90740Orange County recordsCA records
Population estimate24,2543,138,331 (sum)39,286,245 (sum)
Population Density846.8 /sq mi----
County population rank#60 of 87----
State population rank#733 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 90743Surfside1.9 mi468
ZIP 90742Sunset Beach2.5 mi405
ZIP 92649Huntington Beach2.8 mi35,346
ZIP 90720Los Alamitos2.9 mi23,805
ZIP 90803Long Beach2.9 mi31,526

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 →