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C-

Is Diamond Bar, California Safe?

Population 51,884 · Safer than 26% of US cities

Declining· 2023 FBI UCR data

Diamond Bar earns a C- safety grade with 237.8 crimes per 1,000 residents. Violent crime runs close to the national average, putting the city behind 74% of US cities. Property crime makes up the majority of offenses, with theft at 1,741 per 100K.

Diamond Bar Crime Rates vs State and National Averages

MetricDiamond BarCalifornia AvgNational Avg
Violent Crime Rate313.9333.9363.8
Property Crime Rate2063.62099.21,832.3
Murder Rate5.0--5.7
Assault Rate232.0--268.2
Theft Rate1741.0--1,401.5
Vehicle Theft Rate214.0--318.3

All rates per 100,000 residents. 2024 FBI Uniform Crime Report + Census Bureau population estimates.

Overall SafetyC-

237.8 crimes per 1,000 residents

Violent CrimeC

314/100K (national avg: 364)

Property CrimeD+

2064/100K (national avg: 1,832)

Key Crime Statistics for Diamond Bar

Violent crime in Diamond Bar is close to the national average. The rate of 313.9 per 100K falls below the national 363.8.

Property crime is close to the national average at 2063.6 per 100K vs. the national 1,832.3.

Theft is the most reported crime at 1,741 per 100K. The national average is 1,401.5.

Diamond Bar Crime Breakdown by Category

Murder5
088% of avgAvg: 5.7
Assault232
087% of avgAvg: 268.2
Robbery40
063% of avgAvg: 63.3
Burglary305
01.1x national avgAvg: 269.8
Theft1,741
01.2x national avgAvg: 1,401.5
Vehicle Theft214
067% of avgAvg: 318.3

Rates per 100,000 residents. Vertical marker = national average.

How Diamond Bar Compares

Violent Crime Rate (per 100K)

Diamond Bar
313.9
State
333.9
National
363.8

Property Crime Rate (per 100K)

Diamond Bar
2063.6
State
2099.2
National
1832.3

Rates per 100,000 residents. National averages from 2023 FBI UCR data.

Frequently Asked Questions About Diamond Bar Safety

Is Diamond Bar safe?
Not especially. Diamond Bar earns a C- with a crime rate of 237.8 per 1,000 residents, and violent crime runs close to the national average. Standard precautions apply, especially at night.
What is the crime rate in Diamond Bar?
237.8 per 1,000 residents. That breaks down to a violent crime rate of 313.9 per 100,000 (the national average is 363.8) and property crime at 2063.6 per 100,000 (national average: 1832.3).
Is Diamond Bar safe for tourists?
Exercise extra caution. Diamond Bar's C- grade reflects real risk, particularly for property crime. Theft (1,741 per 100K) is the biggest concern for visitors. Stay in well-lit, busy areas at night.
What are the safest neighborhoods in Diamond Bar?
Neighborhood-level data varies, but suburban residential areas in Diamond Bar generally report lower crime than downtown or commercial districts. For block-level detail, check the Diamond Bar police department's crime map.
Is crime increasing in Diamond Bar?
Yes, there's been an uptick. Diamond Bar's crime rates have moved in the wrong direction recently, though the city still holds a C- grade overall.
How does Diamond Bar compare to other cities in California?
Below average for the state. Diamond Bar ranks behind about 79% of California cities on safety, with property crime being the bigger issue at 1.1x the national rate.
How safe is Diamond Bar to live in?
Worth factoring into your decision. Violent crime is close to the national average, which is encouraging. The upward trend in crime is concerning.
How bad is crime in Diamond Bar?
Bad. A C- grade and 237.8 per-thousand rate put Diamond Bar below 74% of US cities. Violent crime at 314 per 100K is the core problem.
What is the violent crime rate in Diamond Bar?
313.9 per 100,000, which is 14% below the national average of 363.8. That includes assault (232), robbery (40), and murder (5.0) per 100,000.

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View all California city safety grades

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2024 FBI Uniform Crime Report data and Census Bureau population estimates. Safety grades calculated using national and state-level crime rate distributions. Not a substitute for local law enforcement guidance.

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