West Covina, CA 91791 ZIP Code Profile

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West Covina, CA

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ZIP Code 91791: Basic Data & USPS Preferred City Name

Preferred Name, USPS
West Covina, CA 91791

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 598
  • Single Family Addresses: 8,576
  • Multi-Family Addresses: 2,375
  • County: Los Angeles County
  • Centroid: Latitude 34.063, Longitude -117.893
  • 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.


91791 ZIP Code Map

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West Covina, CA 91791 Data & Demographics (As of July 1, 2017)


Total Population 35,122
Daytime Population: Workers 10,764
Daytime Population: Residents 18,911
Total Daytime Population (TDP) 29,675
Ratio TDP/Total Population1 0.84
Population in Households 35,013
Population in Familes 30,936
Population in Group Qrtrs 109
Population Density2 4,920
Diversity Index3 85


Median Household Income $79,412
Average Household Income $98,631
Per Capita Income $30,589


Total Housing Units 11,294 (100%)
Owner Occupied HU 7,476 (66.2%)
Renter Occupied HU 3,369 (29.8%)
Vacant Housing Units 449 ( 4.0%)
Median Home Value $536,111
Average Home Value $623,652


Total Households 10,845
Average Household Size 3.23
Family Households 8,585
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 0.87% 0.85%
Households 0.68% 0.74%
Families 0.7% 0.75%
Median Household Income   1.9%
Per Capita Income   2.61%

West Covina, CA 91791 - Peer Comparisons by Rank and Percentile

The table below compares 91791 to the other 1,761 ZIP Codes in California by rank and percentile using July 1, 2017 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 # 486 72nd
Population Density # 456 74th
Diversity Index # 246 86th
Median Household Income # 469 73rd
Per Capita Income # 859 51st

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

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