The table above provides a full overview of all reported crimes in Rock Island, IL for the year. The sum of recorded criminal acts in Rock Island, IL is displayed; for comparisons, each offense is also shown in regards to the amount of offenses per 100,000 people. Along with this, they are separated into multiple categories: violent crimes and property crimes. The crime data reveals that the overall Rock Island, IL crime rates are 18% higher than in comparison to the Illinois mean and are 2% lower than the nation's mean. In regards to violent offenses, Rock Island, IL has a rate that is 15% higher than the Illinois average; compared to the United States, it is 18% higher than. Looking at crimes involving property, Rock Island, IL is 18% higher than its state's mean, and 6% lower than the country's average.