ZIP Code 91737 Map
Census ZIP Code Tabulation Area 91737 in Rancho Cucamonga, CA (San Bernardino County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 91737 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
22,958
Households
7,995
Median household income
$122,334
Median age
44.8 years
Median home value
$878,400
Median gross rent
$2,371/mo
Owner-occupied homes
71.1%
Bachelor's degree or higher
41.4%
Below poverty level
8.6%
Land area
10.1 sq mi
Population density
2,275 / sq mi