Zip Code 91381 — Stevenson Ranch, CA

ZIP Code 91381 is associated with Stevenson Ranch, CA, in Los Angeles County. The listed population estimate is 22,582; estimated density is 220.6 people per square mile. Among records with population estimates, it ranks #208 of 288 in Los Angeles County and #771 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.375300, -118.607440)

Data MetricLocal Statistic
Postal / Zip Code91381
Primary CityStevenson Ranch
State / ProvinceCA
CountyLos Angeles
Total Population22,582
Population Density220.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 91381 Compares

MetricZIP 91381Los Angeles County recordsCA records
Population estimate22,5829,807,501 (sum)39,286,245 (sum)
Population Density220.6 /sq mi----
County population rank#208 of 288----
State population rank#771 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 91355Valencia3.6 mi29,123
ZIP 91311Chatsworth5.9 mi40,898
ZIP 93063Simi Valley6.6 mi55,066
ZIP 91321Newhall6.6 mi31,989
ZIP 91354Valencia6.7 mi33,957

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 →