Billings, Sheridan, Slope and Oliver County made the top 50 list of counties where people live the longest at No. 4, 36, 40 and 46, respectively, according to a study conducted by 24/7 Wall St.
Life-expectancy in Billings County is at about 84 years, increasing 5.8% from 1980 to 2014. Poverty is at 10.3% and adult obesity at 30.1%.
Life-expectancy in Sheridan County is at about 82 years, increasing 6.3% from 1980 to 2014. Poverty is at 15.4% and adult obesity at 36%.
Life-expectancy in Slope County is at about 82 years, increasing 6.6% from 1980 to 2014. Poverty is at 6.8% and adult obesity at 28.3%.
Life-expectancy in Oliver County is at about 82 years, increasing 6.3% from 1980 to 2014. Poverty is at 3.1% and adult obesity at 33.9%.
The average life expectancy at birth is 78.6 years, down from 78.9 years in 2014 according to the Center for Disease Control and Prevention.
The study reviewed 2014 county-level life expectancy at birth figures, provided by the Institute for Health Metrics and Evaluation (IHME), and death records data from the National Center for Health Statistics, they estimated age-specific mortality rates for U.S. counties from 1980 to 2014.
County-level poverty rates came from the U.S. Census Bureau’s 2017 American Community Survey and obesity rates came from The 2019 County Health Rankings & Roadmaps program.
Many of the people living in these counties tend to have healthier lifestyles, like not smoking and being physically active which both lead to longer lives.