Residents of three overwhelmingly Hispanic counties along the Texas-Mexico border enjoy some of the longest life spans in the state.
The Harvard University study found that overall, Texas is 30th in the nation with an average life span of 76-point-seven years.
Hidalgo and Cameron counties ranked first and second when it comes to Texas residents and life expectancy, living an average of 80-point-two and 80-point-one years, respectively.
Neighboring Starr County was fifth, with an average life expectancy of 79-point-six years.
Williamson County and Collin County each reported an average life span of 79-point-seven years -- tying for third.
By contrast, residents of Anderson County had the shortest average life expectancy at just 72 years.