| Statistic | Reportedincidents | /100k people | Dunellen/100k people | New Jersey/100k people | National/100k people |
| Total crime | 79 | n/a (estimate) | 923 | 1,645 | 2,119 |
| Murder | 0 | n/a | 0.0 | 2.3 | 5.0 |
| Rape | 0 | n/a | 0.0 | 17.3 | 37.5 |
| Robbery | 2 | n/a | 23.4 | 49.3 | 60.6 |
| Assault | 6 | n/a | 70.1 | 148.8 | 256.1 |
| Violent crime | 8 | n/a (estimate) | 93 | 218 | 359 |
| Burglary | 6 | n/a | 70.1 | 145.3 | 229.2 |
| Theft | 60 | n/a | 700.9 | 1,119.4 | 1,272.1 |
| Vehicle theft | 5 | n/a | 58.4 | 162.6 | 258.8 |
| Property crime | 71 | n/a (estimate) | 829 | 1,427 | 1,760 |

Crime can be categorized into two primary types: violent and property crimes. Violent crimes encompass offenses such as murder, rape, robbery, and assault, whereas property crimes involve acts like burglary, theft, and vehicle theft. The overall crime rate in Dunellen is 56.5% lower than the national average. Specifically, there were 8 violent crimes reported in Dunellen, equivalent to 93 per 100,000 residents, which is lower than the national average by 74%. Additionally, Dunellen recorded 71 property crimes, amounting to 829 per 100,000 people, lower than the national average by 52.9%.
Dunellen stands out with one of the lowest violent crime rates in the United States. Reporting only 93 violent crimes per 100,000 people, Dunellen secures its place among the safest cities in the nation, making it an enticing destination for those in search of a new home.
During the most recently reported crime year, Dunellen experienced a total of 0 reported murders. This statistic paints it as a beacon of security when it comes to severe violent crimes. Such an achievement not only instills a profound sense of security for its residents but also sets a high standard for other communities striving to create similarly secure environments. It underscores the area as a place where safety is a top priority, enhancing its appeal as a desirable location to live and thrive.
To get a feel for the safety of living in Dunellen, it's essential to analyze both the overall crime rate and the daily incident count. Dunellen presents a total crime rate that is 56% lower than the national average per 100,000 residents. Consequently, Dunellen experiences an average of 0.22 daily crimes, comprising 0.02 violent incidents and 0.19 property-related offenses. This evaluation offers a comprehensive understanding of the safety landscape, aiding individuals in making informed decisions when considering relocation.
Examining year-over-year crime data provides insights into short-term trends with regards to the crime activity in Dunellen. This analysis involves comparing crime rates from one year to the next, enabling the identification of patterns and fluctuations in crime. Such information proves invaluable to residents seeking to make well-informed decisions about their choice of residence. In the most recent year, compared to the previous one, total crime in Dunellen has decreased by 29.5%. Specifically, violent crime has increased by 60%, while property crime has decreased by 33.6%. This data empowers individuals with a clearer understanding of the evolving safety landscape in Dunellen.
The economic well-being of a city's residents plays a significant role in crime rates. High poverty rates and income inequality can lead to increased crime stats as individuals may resort to illegal activities to meet their basic needs. While lower rates could lead to a lower Dunellen crime rate. The poverty level in Dunellen is 15.4%, while the national average is 15.1%.
The level of education within a community can impact crime rates. Higher educational attainment often correlates with lower crime rates, as it provides individuals with better job opportunities and alternatives to criminal behavior. While lower educational achievement rates tend to lead to higher crime rates. In Dunellen, 83.1% of people have completed high school, while 83% of people have completed high school nationally.
High rental costs can limit economic mobility, making it difficult for individuals to save money, invest in education, or access better job opportunities. This can perpetuate a cycle of poverty and increase the risk of involvement in criminal activities. In summary, high rental costs can create economic challenges, overcrowding, and neighborhood dynamics that may increase the likelihood of certain types of crime, particularly property crimes. In Dunellen, the average rental rates are $1,780 per month, compared to the national average of $1,444.

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| Item | Dunellen | New Jersey | National |
| Law enforcement employees (officers & civilians) | 16 | 14,540 | 558,732 |
| Police officers & civilians /1000 residents | 2.2 | 5.7 | 3.3 |
| State | Total offenders | New Jersey /100K | National /100K |
| New Jersey | 4,539 | 54 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Matawan, NJ | 9,033 | 0 | 20 | 20 |
| South River, NJ | 16,447 | 49 | 99 | 148 |
| Ten Mile Run, NJ | 1,864 | 31 | 200 | 231 |
| Peapack and Gladstone, NJ | 2,646 | 34 | 224 | 258 |
| New Providence, NJ | 13,898 | 44 | 255 | 299 |
| Six Mile Run, NJ | 3,566 | 42 | 272 | 313 |
| Weston, NJ | 2,014 | 43 | 283 | 326 |
| Dunellen, NJ | 7,401 | 93 | 829 | 923 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Mount Sterling, KY | 7,404 | 211 | 1,201 | 1,413 |
| Batesville, MS | 7,404 | 344 | 4,758 | 5,102 |
| Huntertown, IN | 7,404 | 169 | 744 | 913 |
| Portage Lakes, OH | 7,404 | 206 | 1,086 | 1,292 |
| Parkville, MO | 7,398 | 117 | 736 | 853 |
| Dunellen, NJ | 7,401 | 93 | 829 | 923 |