Diamond Bar, CA Crime Statistics For 2025

Demographics | Crime | Cost Of Living
Updated: 2025-10-24

Crime Rate In Diamond Bar, CA Summary

Crime in Diamond Bar research summary. HomeSnacks has been using Saturday Night Science to report crime data in Diamond Bar over the past eight years using the FBI Crime Explorer. Based on the most recently available data released on October 17, 2023, we found the following about crime in Diamond Bar:

  • There were 992 total crimes committed in Diamond Bar in the last reporting year.
  • On a rate basis, there were 1,940.3 total crimes per 100K people in Diamond Bar.
  • The overall crime rate in Diamond Bar is -8.44% below the national average.
  • Diamond Bar ranks #236 safest out of 460 cities in California.
  • Diamond Bar ranks #7,088 safest out of 9,896 cities in the United States.

Because the crime rate is so low in America, we use "per 100,000 people" to make the number a bit easier to compare across locations visually. It's mathematically the same as per capita comparisons and isn't meant to convey that 100,000+ people live in a location.

Additional research about crime in California

Diamond Bar Vs California And National Crime Rates

According to the most recent data from the FBI, the total crime rate in Diamond Bar is 1,940.3 per 100,000 people. That's -8.44% lower than the national rate of 2,119.2 per 100,000 people and -24.34% lower than the California total crime rate of 2,564.5 per 100,000 people.

Statistic Count
Raw
Diamond Bar
/ 100k People
California
/ 100k People
National
/ 100k People
Total Crimes Per 100K 992 1,940.3 2,564.5 2,119.2
Murder 0 0.0 4.5 5.0
Robbery 11 21.5 119.1 61.0
Aggravated Assault 24 46.9 325.8 256.0
Violent Crime 40 78.2 486.0 359.0
Burglary 346 676.8 305.8 229.0
Larceny 532 1,040.6 1,345.2 1,272.0
Car Theft 74 144.7 427.5 259.0
Property Crime 952 1,862.1 2,078.4 1,760.0

Diamond Bar Crime Compared To California Averages

Each category of crime indexed to the worst per capita in California.
Data Source -- FBI UCR 2024.

Violent Crime Rates In Diamond Bar

40
Violent Crimes
78.2
Violent Crimes / 100k People
-78.21%
Below The National Average
  • There were 40 violent crimes in Diamond Bar in the last reporting year.
  • The violent crime rate in Diamond Bar is 78.2 per 100,000 people.
  • You have a 1 in 1,278.1 chance of being the victim of a violent crime in Diamond Bar each year. That compares to a 1 in 205.8 chance statewide.
  • That's -78.21% lower than the national rate of 359.0 per 100,000 people.
  • And -83.90% lower than the California violent crime rate of 486.0 per 100,000 people.

Property Crime Rates In Diamond Bar

952
Property Crimes
1,862.1
Property Crimes / 100k People
5.80%
Above The National Average
  • There were 952 property crimes in Diamond Bar in the last reporting year.
  • The property crime rate in Diamond Bar is 1,862.1 per 100,000 people.
  • You have a 1 in 53.7 chance of being the victim of a property crime in Diamond Bar each year. That compares to a 1 in 0.0 chance nationally.
  • That's 5.80% higher than the national rate of 1,760.0 per 100,000 people.
  • And -10.41% lower than the California property crime rate of 2,078.4 per 100,000 people.

Crime In Cities Around Diamond Bar

City Population Count
Raw
Total Crime
/ 100k People
Property Crime
/ 100k People
Violent Crime
/ 100k People
Pomona, CA 143,726 4,986 3,469.1 2,753.2 715.9
West Covina, CA 104,467 2,442 2,337.6 2,098.3 239.3
Chino Hills, CA 76,802 855 1,113.3 975.2 138.0
Yorba Linda, CA 65,469 562 858.4 765.2 93.2
Brea, CA 48,901 1,504 3,075.6 2,865.0 210.6
Cypress, CA 48,367 907 1,875.2 1,589.9 285.3
Covina, CA 47,940 942 1,965.0 1,612.4 352.5
La Mirada, CA 44,755 880 1,966.3 1,794.2 172.0
La Verne, CA 29,391 760 2,585.8 2,388.5 197.3
Walnut, CA 26,702 539 2,018.6 1,891.2 127.3

Diamond Bar SnackAbility

9
/10
Overall SnackAbility
Jobs
8.5/10
Housing
10
Affordability
4
Diversity
9
Safety
8
Amenities
9.5
Education
8.5
Commute
3
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