| Statistic | Reportedincidents | /100k people | Rock Falls/100k people | Illinois/100k people | National/100k people |
| Total crime | 305 | n/a (estimate) | 3,569 | 2,004 | 2,119 |
| Murder | 1 | n/a | 11.7 | 5.8 | 5.0 |
| Rape | 13 | n/a | 152.1 | 46.9 | 37.5 |
| Robbery | 5 | n/a | 58.5 | 90.2 | 60.6 |
| Assault | 32 | n/a | 374.5 | 146.3 | 256.1 |
| Violent crime | 51 | n/a (estimate) | 597 | 289 | 359 |
| Burglary | 46 | n/a | 538.3 | 290.5 | 229.2 |
| Theft | 188 | n/a | 2,200.1 | 1,134.4 | 1,272.1 |
| Vehicle theft | 20 | n/a | 234.1 | 290.4 | 258.8 |
| Property crime | 254 | n/a (estimate) | 2,973 | 1,715 | 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 Rock Falls is 68.4% higher than the national average. Specifically, there were 51 violent crimes reported in Rock Falls, equivalent to 597 per 100,000 residents, which is higher than the national average by 66.2%. Additionally, Rock Falls recorded 254 property crimes, amounting to 2973 per 100,000 people, higher than the national average by 68.9%.
While murder rates in the United States have shown a consistent decline since 1990, recent years have witnessed an increase. Unfortunately, Rock Falls ranks among the cities with the highest murder rates in the nation, when compared to all reporting cities in the U.S. In Rock Falls, there were a total of 1 murders, translating to 12 murders per 100,000 residents. This alarming statistic underscores the need for heightened attention to community safety and crime prevention efforts in the area.
What do the local residents think about crime in Rock Falls? Well, based on a recent survey of 5 people (conducted by AreaVibes), 60% of Rock Falls residents said that there was virtually no crime and that they felt safe walking at night. Another 40% of respondents said that there was too much crime in the area and they did not feel safe walking alone at night.
To get a feel for the safety of living in Rock Falls, it's essential to analyze both the overall crime rate and the daily incident count. Rock Falls presents a total crime rate that is 68% higher than the national average per 100,000 residents. Consequently, Rock Falls experiences an average of 0.84 daily crimes, comprising 0.14 violent incidents and 0.7 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 Rock Falls. 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 Rock Falls has increased by 254.7%. Specifically, violent crime has increased by 628.6%, while property crime has increased by 221.5%. This data empowers individuals with a clearer understanding of the evolving safety landscape in Rock Falls.
High cost of living can lead to economic stress for individuals and families, particularly those with limited financial resources. When people struggle to make ends meet due to high housing costs, healthcare expenses, or other basic necessities, they may be more inclined to engage in criminal activities, such as theft or fraud, as a means of financial survival. On the flipside, cities that have a lower cost of living, could see a reduced crime rate. In Rock Falls, the cost of living is 17.2% lower than the national average.
Rock Falls has a ratio of police officers and civilians per 1,000 residents that differs from the national norm, with 2.81 officers and civilians per 1,000 residents, compared to 3.25 nationwide. Crime rates are profoundly influenced by the effectiveness of law enforcement and community policing endeavors. A resilient and cooperative partnership between law enforcement agencies and the community can serve as a deterrent to criminal activities, ultimately enhancing safety. The efficacy of law enforcement extends beyond mere numbers and extends into the realm of community policing strategies, emphasizing the cultivation of trust and collaboration between officers and the community. It is not merely a matter of quantity but the quality of engagement with the community that matters most.
In Rock Falls, the average rental rates are $1,009 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.

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| Item | Rock Falls | Illinois | National |
| Law enforcement employees (officers & civilians) | 26 | 30,690 | 558,732 |
| Police officers & civilians /1000 residents | 2.8 | 2.6 | 3.3 |
| State | Total offenders | Illinois /100K | National /100K |
| Illinois | 32,213 | 263 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Polo, IL | 2,286 | 45 | 0 | 45 |
| Milledgeville, IL | 1,014 | 0 | 503 | 503 |
| Dixon, IL | 16,145 | 193 | 459 | 651 |
| Prophetstown, IL | 2,007 | 124 | 737 | 861 |
| Walnut, IL | 1,376 | 134 | 793 | 926 |
| Morrison, IL | 3,961 | 177 | 1,048 | 1,224 |
| Sterling, IL | 15,351 | 319 | 1,333 | 1,653 |
| Rock Falls, IL | 9,152 | 597 | 2,973 | 3,569 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Port Wentworth, GA | 9,153 | 170 | 1,288 | 1,458 |
| Pineville, NC | 9,151 | 724 | 8,756 | 9,479 |
| Plainedge, NY | 9,149 | 176 | 797 | 973 |
| Georgetown, SC | 9,156 | 850 | 3,604 | 4,454 |
| Willow Street, PA | 9,148 | 111 | 649 | 760 |
| Rock Falls, IL | 9,152 | 597 | 2,973 | 3,569 |