Rancho Cucamonga, CA 91730 ZIP Code Profile

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Rancho Cucamonga, CA

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ZIP Code 91730: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rancho Cucamonga, CA 91730

Acceptable Alternative
Rch Cucamonga, CA 91730

Not Acceptable, USPS
Cucamonga, CA 91730

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 3,822
  • Single Family Addresses: 17,205
  • Multi-Family Addresses: 7,567
  • County: San Bernardino County
  • Centroid: Latitude 34.099, Longitude -117.581
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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91730 ZIP Code Map

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Rancho Cucamonga, CA 91730 Data & Demographics (As of July 1, 2016)


Total Population 70,481
Population in Households 67,498
Population in Familes 55,785
Population in Group Qrtrs 2,983
Population Density1 4,908
Diversity Index2 84


Total Households 23,775
Average Household Size 2.84
Family Households 16,537
Average Family Size 3


Total Housing Units 25,054 (100%)
Owner Occupied HU 10,998 (43.9%)
Renter Occupied HU 12,777 (51.0%)
Vacant Housing Units 1,279 ( 5.1%)
Median Home Value $335,719
Average Home Value $351,073


Median Household Income $65,077
Average Household Income $79,641
Per Capita Income $27,117
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.79% 0.77%
Households 0.63% 0.64%
Families 0.67% 0.67%
Median Household Income   2.65%
Per Capita Income   1.64%
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.

Rancho Cucamonga, CA 91730 - Peer Comparisons by Rank and Percentile

The table below compares 91730 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 # 60 97th
Population Density1 # 449 74th
Diversity Index2 # 285 84th
Median Household Income # 656 63rd
Per Capita Income # 969 45th

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

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