Several Texas cities made the list for both safest and least safe. Several Texas cities made the list for both safest and least safe in the country in a study published this week. Twelve Texas cities were included in the rankings, making it the only state to have both the safest and least safe cities on the list. Least safe Texas citiesHouston, with an estimated population of 2.4 million, was ranked the second-least safe city in America, behind Memphis, Tennessee. The study found a violent crime rate of 11.5 and a property crime rate of 42.9 per 1,000 people.