Zip Code 90638 — La Mirada, CA

ZIP Code 90638 is associated with La Mirada, CA, in Los Angeles County. The listed population estimate is 45,933; estimated density is 2,288.4 people per square mile. Among records with population estimates, it ranks #69 of 288 in Los Angeles County and #286 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (33.902360, -118.009070)

Data MetricLocal Statistic
Postal / Zip Code90638
Primary CityLa Mirada
State / ProvinceCA
CountyLos Angeles
Total Population45,933
Population Density2,288.4 people/sq mi
TimezoneAmerica/Los_Angeles

How 90638 Compares

MetricZIP 90638Los Angeles County recordsCA records
Population estimate45,9339,807,501 (sum)39,286,245 (sum)
Population Density2,288.4 /sq mi----
County population rank#69 of 288----
State population rank#286 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 90639La Mirada0.4 mi1,671
ZIP 90604Whittier1.9 mi39,276
ZIP 90621Buena Park2.2 mi35,984
ZIP 90603Whittier3.1 mi21,118
ZIP 92833Fullerton3.1 mi51,842

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 →