Compared to the other cities in Texas and cities in all other U.S. states, how safe is Colleyville, TX? From the gauges displayed above, you will notice that Colleyville, TX has been ranked safer than 96% of other cities in the state of Texas. In addition, Colleyville, TX is safer than 89% of cities in the entire United States. To achieve these results, all Texas and United States cities were analyzed to determine how many locations had a lower crime rate than Colleyville, TX. By studying this data, it was possible to determine that Colleyville, TX is above average in safety when compared with other United States cities.