91765 Zip Code, Diamond Bar

Crime Rate & Statistics

A-

Safe zip code — below-average crime across most categories

Safer than 0% of zip codes in Diamond Bar

Safety at a Glance

Overall Crime Low
Low 21 / 300 High
Violent Crime 79
21% below national avg
Property Crime 36
64% below national avg
City Ranking
0%
safer than other
Diamond Bar zip codes

Check a specific address

in Diamond Bar

Is 91765 a Safe Zip Code?

Yes — this zip code is safe. Zip code 91765 in Diamond Bar, CA has a safety grade of A-. The overall crime index is 21, which is 79% below the national average of 100. This zip code is safer than 0% of zip codes in Diamond Bar.

Looking at specific crime types, robbery is the most elevated concern (index: 136, 36% above average), while larceny / theft is the lowest risk (index: 14). Violent crime is a particular area of concern relative to property crime in this zip code.

Highest Risk
Robbery · Index 136 (36% above avg)
Lowest Risk
Larceny / Theft · Index 14 (86% below avg)

91765 Crime Breakdown

Crime indices compared to national average (100) and Diamond Bar city average. Higher values mean more crime.

Crime Type Index vs National Risk Level
Violent Crime
Murder
25 -75% Low
Assault
34 -66% Low
Robbery
136 +36% Moderate
Rape
119 +19% Moderate
Property Crime
Burglary
38 -62% Low
Larceny / Theft
14 -86% Low
Vehicle Theft
56 -44% Low

91765 Crime Map

Crime heatmap based on block-group level data. Red areas indicate higher crime density.

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91765 Demographics & Context

Population
45,242
Median Income
$122,777
Home Value
$875,870
Median Age
42
Pop. Density
3,000/mi²

Education

Bachelor's Degree 35.4%
Graduate Degree 18.2%

Housing

79%
21%
Owner-occupied Renter-occupied

Racial Demographics

White 28.1%
Black 4.4%
Hispanic 20.8%
Asian 55.6%
91765 Crime Map
Interactive crime heatmap for this zip code
Diamond Bar Crime Statistics
View all Diamond Bar neighborhoods & city-wide data

Frequently Asked Questions

What is the crime rate in Zip code 91765, Diamond Bar?

Zip code 91765 in Diamond Bar, CA has a crime safety grade of A- as of 2026. The overall crime index is 21, which is 79% below the national average. Zip code 91765 is safer than 0% of neighborhoods in Diamond Bar.

Is Zip code 91765 a safe neighborhood in Diamond Bar?

Zip code 91765 is generally considered a safe neighborhood in Diamond Bar, earning a crime grade of A-. The highest concern is Robbery (index: 136), while Larceny / Theft is the lowest risk (index: 14). It is one of the safest neighborhoods in Diamond Bar.

What type of crime is most common in Zip code 91765?

The most prevalent crime type in Zip code 91765 is Robbery, with a crime index of 136 (36% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.

What are the demographics of Zip code 91765?

Zip code 91765 has a population of approximately 45,242. The median household income is $122,777. The median home value is $875,870. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.

How does Zip code 91765 crime compare to the national average?

Zip code 91765's overall crime rate is 79% below the national average (index 21 vs 100). Within Diamond Bar, it is safer than 0% of neighborhoods. For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.

Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated April 2026.