Zip Code 91773 — San Dimas, CA

ZIP Code 91773 is associated with San Dimas, CA, in Los Angeles County. The listed population estimate is 33,598; estimated density is 866.2 people per square mile. Among records with population estimates, it ranks #127 of 288 in Los Angeles County and #520 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.107200, -117.809280)

Data MetricLocal Statistic
Postal / Zip Code91773
Primary CitySan Dimas
State / ProvinceCA
CountyLos Angeles
Total Population33,598
Population Density866.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 91773 Compares

MetricZIP 91773Los Angeles County recordsCA records
Population estimate33,5989,807,501 (sum)39,286,245 (sum)
Population Density866.2 /sq mi----
County population rank#127 of 288----
State population rank#520 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 91740Glendora2.6 mi26,168
ZIP 91724Covina3.2 mi28,352
ZIP 91768Pomona3.2 mi34,200
ZIP 91750La Verne3.8 mi32,692
ZIP 91741Glendora4.2 mi26,071

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 →