Zip Code 91020 — Montrose, CA

ZIP Code 91020 is associated with Montrose, CA, in Los Angeles County. The listed population estimate is 7,532; estimated density is 4,047.6 people per square mile. Among records with population estimates, it ranks #262 of 288 in Los Angeles County and #1062 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.211440, -118.230650)

Data MetricLocal Statistic
Postal / Zip Code91020
Primary CityMontrose
State / ProvinceCA
CountyLos Angeles
Total Population7,532
Population Density4,047.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 91020 Compares

MetricZIP 91020Los Angeles County recordsCA records
Population estimate7,5329,807,501 (sum)39,286,245 (sum)
Population Density4,047.6 /sq mi----
County population rank#262 of 288----
State population rank#1062 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 91046Verdugo City0.6 mi115
ZIP 91208Glendale1.3 mi15,969
ZIP 91011La Canada Flintridge1.6 mi19,935
ZIP 91214La Crescenta2.1 mi30,817
ZIP 91202Glendale2.9 mi22,504

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 →