Zip Code 91733 — South El Monte, CA

ZIP Code 91733 is associated with South El Monte, CA, in Los Angeles County. The listed population estimate is 41,255; estimated density is 2,361.0 people per square mile. Among records with population estimates, it ranks #90 of 288 in Los Angeles County and #365 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.045400, -118.053140)

Data MetricLocal Statistic
Postal / Zip Code91733
Primary CitySouth El Monte
State / ProvinceCA
CountyLos Angeles
Total Population41,255
Population Density2,361.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 91733 Compares

MetricZIP 91733Los Angeles County recordsCA records
Population estimate41,2559,807,501 (sum)39,286,245 (sum)
Population Density2,361.0 /sq mi----
County population rank#90 of 288----
State population rank#365 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 91770Rosemead2.2 mi58,382
ZIP 91731El Monte2.4 mi27,620
ZIP 90601Whittier2.8 mi30,078
ZIP 91732El Monte2.9 mi57,431
ZIP 91755Monterey Park3.5 mi26,810

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 →