The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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Rancho Cucamonga, CA 91737 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
22,958 (100%)
Population Density
2,276 per sq mi
Diversity Index1
69
INCOME
Median Household Income
$122,334
Per Capita Income
$58,193
Median Home Value
$878,400
HOUSING
Total HU (Housing Units)
8,340 (100%)
Owner Occupied HU
5,683 (68.1%)
Renter Occupied HU
2,312 (27.7%)
Vacant Housing Units
345 (4.1%)
HOUSEHOLDS
Total Households
7,995
Average Household Size
2.87
Family Households
6,238 (78.0%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Rancho Cucamonga, CA 91737 - Peer Comparisons by Rank and Percentile
The table below compares 91737 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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.
