Compared to the other cities in Texas and cities in all other U.S. states, how safe is Port Lavaca, TX? From the gauges displayed above, you will notice that Port Lavaca, TX has been ranked safer than 4% of other cities in the state of Texas. In addition, Port Lavaca, TX is safer than 6% 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 Port Lavaca, TX. By studying this data, it was possible to determine that Port Lavaca, TX is below average in safety when compared with other United States cities.