Compared to the other cities in Illinois and cities in all other U.S. states, how safe is Du Quoin, IL? From the gauges displayed above, you will notice that Du Quoin, IL has been ranked safer than 31% of other cities in the state of Illinois. In addition, Du Quoin, IL is safer than 49% 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 Du Quoin, IL. By studying this data, it was possible to determine that Du Quoin, IL is below average in safety when compared with other United States cities.