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ZIP Code 91730
Rancho Cucamonga, CA, San Bernardino County
Population
71,613
Land area
13.7sq mi
People per sq mi
5,216
City
Rancho Cucamonga
ZIP 91730 and nearby ZIP codes
ZIP 91730 at a glance
- ZIP 91730 (Rancho Cucamonga) is about 21 times as dense as California as a whole.
- The median household income is $92,237, 7% below the California median of $99,122.
- A typical owner-occupied home is valued at $616,300 (16% below California) and median rent is $2,299 a month.
Local data for ZIP 91730
Counts from official public data
Housing and community stats
ZIP 91730, American Community Survey 2020-2024
Median household income
$92,237
Poverty rate
10.2%
Median home value
$616,300
Prices +0.8% in a year
Median rent
$2,299/mo
Homeownership
47.3%
Bachelor's or higher
32.6%
Median age
36.3
Average commute
32.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
3,311
ZIP Business Patterns 2023
Employees
51,205
$3.2B annual payroll
PPP loans
$403M
4,124 loans
Campaign donations
$230K
31% D, 13% R, 2026 cycle
Environment and hazard risk
ZIP 91730, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: landslide
Storm events since 1996
3,317
Countywide, mostly flash flood
Flood insurance policies
1,919
0.3% of homes, county
July high / Jan low
94° / 45°F
11.6 inches of rain a year
Health statistics
Share of adults in ZIP 91730, CDC PLACES estimates
Obesity
31.7%
U.S. 33.3% -1.6 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
11.0%
U.S. 12.8% -1.8 pts
Uninsured (18-64)
10.2%
U.S. 11.1% -0.9 pts
Frequently asked questions
- What city is ZIP code 91730?
- ZIP code 91730 is in Rancho Cucamonga, CA (San Bernardino County).
- What county is ZIP code 91730 in?
- ZIP code 91730 is mostly in San Bernardino County, California.
- How many people live in ZIP code 91730?
- About 71,613 people live in the 91730 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.