Zip Code 91125 — Pasadena, CA

ZIP Code 91125 is associated with Pasadena, CA, in Los Angeles County. The listed population estimate is 1,000; estimated density is 2,179.0 people per square mile. Among records with population estimates, it ranks #279 of 288 in Los Angeles County and #1419 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.137720, -118.124920)

Data MetricLocal Statistic
Postal / Zip Code91125
Primary CityPasadena
State / ProvinceCA
CountyLos Angeles
Total Population1,000
Population Density2,179.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 91125 Compares

MetricZIP 91125Los Angeles County recordsCA records
Population estimate1,0009,807,501 (sum)39,286,245 (sum)
Population Density2,179.0 /sq mi----
County population rank#279 of 288----
State population rank#1419 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 91106Pasadena0.2 mi23,910
ZIP 91101Pasadena1.0 mi21,165
ZIP 91108San Marino1.2 mi12,401
ZIP 91104Pasadena2.1 mi35,937
ZIP 91105Pasadena2.4 mi12,531

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 →