Compared to the other cities in Illinois and cities in all other U.S. states, how safe is Wheaton, IL? From the gauges displayed above, you will notice that Wheaton, IL has been ranked safer than 82% of other cities in the state of Illinois. In addition, Wheaton, IL is safer than 89% of cities in the entire United States. To achieve these results, all Illinois and United States cities were analyzed to determine how many locations had a lower crime rate than Wheaton, IL. By studying this data, it was possible to determine that Wheaton, IL is above average in safety when compared with other United States cities.