Rosemead, CA 91770 ZIP Code Profile

Related Place Profiles:
Rosemead, CA

Camera Icon Photos of the local Rosemead, CA area

ZIP Code 91770: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rosemead, CA 91770

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,622
  • Single Family Addresses: 14,823
  • Multi-Family Addresses: 1,885
  • County: Los Angeles County
  • Centroid: Latitude 34.066, Longitude -118.082
  • 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.


91770 ZIP Code Map

Search the map for:

Rosemead, CA 91770 Data & Demographics (As of July 1, 2017)


Total Population 65,992
Daytime Population: Workers 19,372
Daytime Population: Residents 38,065
Total Daytime Population (TDP) 57,437
Ratio TDP/Total Population1 0.87
Population in Households 65,265
Population in Familes 58,057
Population in Group Qrtrs 727
Population Density2 9,600
Diversity Index3 78


Median Household Income $51,325
Average Household Income $69,099
Per Capita Income $18,775


Total Housing Units 18,122 (100%)
Owner Occupied HU 8,772 (48.4%)
Renter Occupied HU 8,705 (48.0%)
Vacant Housing Units 645 ( 3.6%)
Median Home Value $483,570
Average Home Value $515,729


Total Households 17,477
Average Household Size 3.73
Family Households 14,562
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 0.5% 0.56%
Households 0.37% 0.48%
Families 0.39% 0.49%
Median Household Income   1.41%
Per Capita Income   2.42%

Rosemead, CA 91770 - Peer Comparisons by Rank and Percentile

The table below compares 91770 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 # 85 95th
Population Density # 188 89th
Diversity Index # 581 67th
Median Household Income # 1123 36th
Per Capita Income # 1461 17th

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

California Research Tools

California Census Data Comparison Tool

Compare California Census Data
Highest or Lowest: