Zip Code 91331 — Pacoima, CA

ZIP Code 91331 is associated with Pacoima, CA, in Los Angeles County. The listed population estimate is 97,608; estimated density is 4,033.0 people per square mile. Among records with population estimates, it ranks #3 of 288 in Los Angeles County and #5 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.256020, -118.419390)

Data MetricLocal Statistic
Postal / Zip Code91331
Primary CityPacoima
State / ProvinceCA
CountyLos Angeles
Total Population97,608
Population Density4,033.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 91331 Compares

MetricZIP 91331Los Angeles County recordsCA records
Population estimate97,6089,807,501 (sum)39,286,245 (sum)
Population Density4,033.0 /sq mi----
County population rank#3 of 288----
State population rank#5 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 91340San Fernando2.3 mi33,424
ZIP 91345Mission Hills2.4 mi18,714
ZIP 91402Panorama City2.6 mi65,754
ZIP 91352Sun Valley3.5 mi46,899
ZIP 91605North Hollywood3.6 mi49,868

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 →