Zip Code 91355 — Valencia, CA

ZIP Code 91355 is associated with Valencia, CA, in Los Angeles County. The listed population estimate is 29,123; estimated density is 854.8 people per square mile. Among records with population estimates, it ranks #163 of 288 in Los Angeles County and #625 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.423790, -118.584370)

Data MetricLocal Statistic
Postal / Zip Code91355
Primary CityValencia
State / ProvinceCA
CountyLos Angeles
Total Population29,123
Population Density854.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 91355 Compares

MetricZIP 91355Los Angeles County recordsCA records
Population estimate29,1239,807,501 (sum)39,286,245 (sum)
Population Density854.8 /sq mi----
County population rank#163 of 288----
State population rank#625 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 91354Valencia3.1 mi33,957
ZIP 91381Stevenson Ranch3.6 mi22,582
ZIP 91350Santa Clarita4.7 mi43,973
ZIP 91321Newhall6.7 mi31,989
ZIP 91351Canyon Country7.0 mi33,155

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 →