| Statistic | Reportedincidents | /100k people | Diamond Bar/100k people | California/100k people | National/100k people |
| Total crime | 992 | n/a (estimate) | 1,940 | 2,564 | 2,119 |
| Murder | 0 | n/a | 0.0 | 4.5 | 5.0 |
| Rape | 5 | n/a | 9.8 | 36.6 | 37.5 |
| Robbery | 11 | n/a | 21.5 | 119.1 | 60.6 |
| Assault | 24 | n/a | 46.9 | 325.8 | 256.1 |
| Violent crime | 40 | n/a (estimate) | 78 | 486 | 359 |
| Burglary | 346 | n/a | 676.8 | 305.8 | 229.2 |
| Theft | 532 | n/a | 1,040.6 | 1,345.2 | 1,272.1 |
| Vehicle theft | 74 | n/a | 144.7 | 427.5 | 258.8 |
| Property crime | 952 | n/a (estimate) | 1,862 | 2,078 | 1,760 |

Crime is typically categorized into two main types: violent and property crimes. Violent crimes encompass offenses such as murder, rape, robbery, and assault, while property crimes include burglary, theft, and vehicle theft. Based on the most recent report, the Diamond Bar crime rate is lower than the national average by 8.4%. Specifically, there were 40 violent crimes in Diamond Bar, equivalent to 78 per 100,000 individuals, lower than the national average by 78.2%. Furthermore, Diamond Bar recorded 952 property crimes, amounting to 1862 per 100,000 residents, which was higher than the average by 5.8%.
The Diamond Bar crime rate is about average when compared to all the other cities across the U.S. per 100,000 residents. When we compared the total crimes (violent and property) in Diamond Bar, we found that the reported crime rates were almost equal to the average of all other areas that reported crime.
Diamond Bar stands out with one of the lowest violent crime rates in the United States. Reporting only 78 violent crimes per 100,000 people, Diamond Bar secures its place among the safest cities in the nation, making it an enticing destination for those in search of a new home.
Diamond Bar showcased a dedication to violent crime safety in its latest reported crime year by achieving a murder rate of 0. This accomplishment could indicate that it is a safe place for residents, but also provides a shining example to other urban areas endeavoring to create safer communities.
Diamond Bar maintains a property crime rate that closely resembles the national norm. In Diamond Bar, 1862 property crimes were reported, aligning with the national average of 1760 per 100,000 individuals. Consequently, the area's safety profile stands on par with the average city, neither significantly safer nor more dangerous. This consistency underscores a balanced commitment to community safety and security, providing residents with a stable and reassuring living environment.
AreaVibes surveyed 21 local residents in Diamond Bar to gauge the safety of the area. Based on the results, 76% of people answered that there was very little crime in Diamond Bar and that they felt very comfortable walking alone at night. Another 24% of people responded that there was far too much crime and they would be hesitant to walk the streets alone at night. Keep in mind that the opinions of residents may vary depending on which area they live in.
To determine if Diamond Bar is a safe place to live, let's take a look at the overall crime rate of the area, as well as the number of daily crimes. Diamond Bar has a total crime rate that is 8% lower than the national average per 100,000 residents. This results in a total of 2.72 daily crimes (0.11 violent daily crimes and 2.61 daily property crimes) in Diamond Bar.
Year-over-year crime data allows residents and potential residents to assess the crime in Diamond Bar. A decrease in crime rates may indicate improving safety, while an increase could raise concerns. The year-over-year crime rate in Diamond Bar has increased by 16%. Violent crimes have decreased by 35.5%, while property crimes have increased by 20.1%. By comparing crime rates from one year to the next, authorities and communities can identify trends and patterns in criminal activity. This helps in understanding whether crime is increasing, decreasing, or remaining stable over time.
Diamond Bar reports an unemployment rate of 2.8%, contrasting with the national average of 4.9%. Constrained employment opportunities or a prevalence of low-paying positions can contribute to elevated rates of unemployment and underemployment. Areas where individuals contend with joblessness or insufficient wages may display heightened susceptibility to an increase in criminal activities attributed to economic insecurity. Conversely, regions characterized by robust employment rates often witness a decrease in overall Diamond Bar crime rates.
In Diamond Bar, the median home price stands at $1,262,483, diverging from the national average of $326,622. Elevated housing costs often induce financial strain among residents. When individuals grapple with the challenges of affording housing, they may find themselves compelled to resort to criminal activities as a means of addressing their financial hardships, including acts like theft or fraud. This predicament is particularly pronounced in areas where housing affordability poses a persistent issue, giving rise to heightened concerns regarding crime. In such instances, some individuals and families may find themselves constrained to reside in cramped or subpar housing conditions, exacerbating stress levels and potentially fostering domestic disputes and associated criminal incidents.
In Diamond Bar, the average rental rates are $3,134 per month, compared to the national average of $1,444. Rapid increases in rental costs can lead to neighborhood instability as residents are forced to move frequently in search of more affordable housing. This transience can weaken community bonds and hinder the establishment of social support networks, which can indirectly contribute to crime. While affordable rent and areas with higher income per capita, allow for long term renters and community bonds to the formed, therefore reducing crime rates on the long term.
| Item | Diamond Bar | California | National |
| Law enforcement employees (officers & civilians) | n/a | 51,506 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 3.6 | 3.3 |
| State | Total offenders | California /100K | National /100K |
| California | 79,891 | 232 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Rose Hills, CA | 2,699 | 87 | 371 | 458 |
| San Antonio Heights, CA | 3,217 | 93 | 396 | 488 |
| North El Monte, CA | 3,790 | 121 | 518 | 639 |
| Villa Park, CA | 6,039 | 36 | 713 | 749 |
| Sierra Madre, CA | 11,099 | 209 | 597 | 806 |
| East Pasadena, CA | 6,198 | 158 | 676 | 834 |
| La Habra Heights, CA | 5,470 | 171 | 683 | 853 |
| Diamond Bar, CA | 57,925 | 78 | 1,862 | 1,940 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Valdosta, GA | 57,835 | 556 | 4,079 | 4,634 |
| Pocatello, ID | 57,833 | 341 | 1,587 | 1,928 |
| Smyrna, GA | 58,048 | 228 | 1,312 | 1,540 |
| Tamiami, FL | 57,787 | 173 | 920 | 1,093 |
| Dearborn Heights, MI | 57,763 | 459 | 1,239 | 1,697 |
| Diamond Bar, CA | 57,925 | 78 | 1,862 | 1,940 |