ZIP Code 91730 Map
Census ZIP Code Tabulation Area 91730 in Rancho Cucamonga, CA (San Bernardino County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 91730 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
71,613
Households
25,836
Median household income
$92,237
Median age
36.3 years
Median home value
$616,300
Median gross rent
$2,299/mo
Owner-occupied homes
47.3%
Bachelor's degree or higher
32.6%
Below poverty level
10.2%
Land area
13.7 sq mi
Population density
5,216 / sq mi