The table above illustrates an overview of the annual crime reported in Marion, IA. These figures on reported criminal activity in Marion, IA, based on a reported crime per 100,000 citizens, is shown in order to compare these rates across disparate categories. You will notice that the crimes collected here, for comparison purposes, have been separated between violent crimes and those involving or threatening property. According to the annual crime data, the crime rate in Marion, IA is 32% lower than the average of the whole of the state of Iowa, and when compared with the national average, is 44% lower than. When looking at violent crimes, Marion, IA has 35% lower than violent crime rate than Iowa average, while remaining 50% lower than the national average. In property crime, Marion, IA is 31% lower than the average of Iowa and is 43% lower than the national average.