Compared to the other cities in Ohio and cities in all other U.S. states, how safe is Vandalia, OH? From the gauges displayed above, you will notice that Vandalia, OH has been ranked safer than 51% of other cities in the state of Ohio. In addition, Vandalia, OH is safer than 61% of cities in the entire United States. To achieve these results, all Ohio and United States cities were analyzed to determine how many locations had a lower crime rate than Vandalia, OH. By studying this data, it was possible to determine that Vandalia, OH is above average in safety when compared with other United States cities.