Rancho Cucamonga, CA 91737 ZIP Code Profile

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Alta Loma, CA | Rancho Cucamonga, CA

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ZIP Code 91737: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rancho Cucamonga, CA 91737

Acceptable Alternative
Alta Loma, CA 91737
Rch Cucamonga, CA 91737

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 107
  • Single Family Addresses: 7,204
  • Multi-Family Addresses: 1,171
  • County: San Bernardino County
  • Centroid: Latitude 34.147, Longitude -117.573
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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91737 ZIP Code Map

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Rancho Cucamonga, CA 91737 Data & Demographics (As of July 1, 2017)


Total Population 24,644
Daytime Population: Workers 3,139
Daytime Population: Residents 11,306
Total Daytime Population (TDP) 14,445
Ratio TDP/Total Population1 0.59
Population in Households 24,642
Population in Familes 22,279
Population in Group Qrtrs 2
Population Density2 2,846
Diversity Index3 75


Median Household Income $104,161
Average Household Income $137,859
Per Capita Income $44,005


Total Housing Units 8,156 (100%)
Owner Occupied HU 6,080 (74.5%)
Renter Occupied HU 1,786 (21.9%)
Vacant Housing Units 290 ( 3.6%)
Median Home Value $571,921
Average Home Value $649,601


Total Households 7,866
Average Household Size 3.13
Family Households 6,542
Average Family Size 3
  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 0.33% 0.44%
Households 0.22% 0.34%
Families 0.24% 0.35%
Median Household Income   1.02%
Per Capita Income   1.84%

Rancho Cucamonga, CA 91737 - Peer Comparisons by Rank and Percentile

The table below compares 91737 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 # 730 59th
Population Density # 633 64th
Diversity Index # 679 61st
Median Household Income # 183 90th
Per Capita Income # 399 77th

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

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