Compared to the other cities in Maine and cities in all other U.S. states, how safe is Belfast, ME? From the gauges displayed above, you will notice that Belfast, ME has been ranked safer than 26% of other cities in the state of Maine. In addition, Belfast, ME is safer than 45% of cities in the entire United States. To achieve these results, all Maine and United States cities were analyzed to determine how many locations had a lower crime rate than Belfast, ME. By studying this data, it was possible to determine that Belfast, ME is below average in safety when compared with other United States cities.