El Monte, CA 91731 ZIP Code Profile

Related Place Profiles:
El Monte, CA

Camera Icon Photos of the local El Monte, CA area

ZIP Code 91731: Basic Data & USPS Preferred City Name

Preferred Name, USPS
El Monte, CA 91731

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,702
  • Single Family Addresses: 5,351
  • Multi-Family Addresses: 2,539
  • County: Los Angeles County
  • Centroid: Latitude 34.077, Longitude -118.041
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


91731 ZIP Code Map

Search the map for:

El Monte, CA 91731 Data & Demographics (As of July 1, 2016)


Total Population 29,746
Population in Households 29,510
Population in Familes 25,541
Population in Group Qrtrs 236
Population Density1 7,894
Diversity Index2 89


Total Households 8,006
Average Household Size 3.69
Family Households 6,351
Average Family Size 4


Total Housing Units 8,484 (100%)
Owner Occupied HU 3,135 (37.0%)
Renter Occupied HU 4,871 (57.4%)
Vacant Housing Units 478 ( 5.6%)
Median Home Value $386,220
Average Home Value $401,164


Median Household Income $39,803
Average Household Income $51,749
Per Capita Income $14,270
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.34% 0.55%
Households 0.24% 0.48%
Families 0.27% 0.5%
Median Household Income   0.48%
Per Capita Income   1.14%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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

The table below compares 91731 to the other 1,756 ZIP Codes in California by rank and percentile using July 1, 2016 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 # 602 66th
Population Density1 # 254 86th
Diversity Index2 # 104 94th
Median Household Income # 1422 19th
Per Capita Income # 1599 9th

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