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ZIP Code 91765
Diamond Bar, CA, Los Angeles County
Population
44,502
Land area
18.6sq mi
People per sq mi
2,396
City
Diamond Bar
ZIP 91765 and nearby ZIP codes
ZIP 91765 at a glance
- ZIP 91765 (Diamond Bar) is about 9.5 times as dense as California as a whole.
- The median household income is $105,565, 7% above the California median of $99,122.
- A typical owner-occupied home is valued at $915,100 (25% above California) and median rent is $2,486 a month.
Local data for ZIP 91765
Counts from official public data
Housing and community stats
ZIP 91765, American Community Survey 2020-2024
Median household income
$105,565
Poverty rate
10.7%
Median home value
$915,100
Prices +5.8% in a year
Median rent
$2,486/mo
Homeownership
77.5%
Bachelor's or higher
53.7%
Median age
46.0
Average commute
33.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,793
ZIP Business Patterns 2023
Employees
11,381
$691M annual payroll
PPP loans
$102M
1,998 loans
Campaign donations
$365K
19% D, 40% R, 2026 cycle
Environment and hazard risk
ZIP 91765, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
662
Countywide, mostly flash flood
Flood insurance policies
10,584
0.5% of homes, county
July high / Jan low
90° / 43°F
14.5 inches of rain a year
Health statistics
Share of adults in ZIP 91765, CDC PLACES estimates
Obesity
18.3%
U.S. 33.3% -15.0 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
7.8%
U.S. 12.8% -5.0 pts
Uninsured (18-64)
5.5%
U.S. 11.1% -5.6 pts
Frequently asked questions
- What city is ZIP code 91765?
- ZIP code 91765 is in Diamond Bar, CA (Los Angeles County).
- What county is ZIP code 91765 in?
- ZIP code 91765 is mostly in Los Angeles County, California.
- How many people live in ZIP code 91765?
- About 44,502 people live in the 91765 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.