El Monte, CA 91731 ZIP Code Profile

Related Place Profiles:
El Monte, CA

ZIP Code 91731: Basic Data & USPS Preferred City Name

Preferred Name, USPS
El Monte, CA 91731

  • ZIP Code Type: STANDARD
  • County: Los Angeles County
  • Centroid: Latitude 34.077, Longitude -118.041
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,722
  • PO Box Addresses: 0
  • Residential Addresses: 7,872
    • Multi-Family Addresses: 2,510
    • Single Family Addresses: 5,362

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

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El Monte, CA 91731 Data & Demographics (As of July 1, 2018)


Total Population 30,679
Population in Households 30,410
Population in Familes 26,467
Population in Group Qrtrs 269
Population Density1 8,271
Diversity Index2 89


Median Household Income $41,387
Average Household Income $55,591
Per Capita Income $15,246


Total Housing Units 8,689 (100%)
Owner Occupied HU 3,197 (36.8%)
Renter Occupied HU 5,008 (57.6%)
Vacant Housing Units 484 ( 5.6%)
Median Home Value $425,321
Average Home Value $483,797


Total Households 8,205
Average Household Size 3.71
Family Households 6,518
Average Family Size 4
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.37% 0.82%
Households 0.28% 0.69%
Families 0.32% 0.77%
Median Household Income   2.61%
Per Capita Income   2.95%

El Monte, CA 91731 - Peer Comparisons by Rank and Percentile

The table below compares 91731 to the other 1,763 ZIP Codes in California by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 594 66th
Population Density # 240 86th
Diversity Index # 101 94th
Median Household Income # 1457 17th
Per Capita Income # 1615 8th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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