Compared to the other cities in Texas and cities in all other U.S. states, how safe is Parker, TX? From the gauges displayed above, you will notice that Parker, TX has been ranked safer than 87% of other cities in the state of Texas. In addition, Parker, TX is safer than 82% 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 Parker, TX. By studying this data, it was possible to determine that Parker, TX is above average in safety when compared with other United States cities.