Even if you are a poor individual in Bismarck, you can expect to live a long time. 

According to the New York Times residents who make a salary of $28,000 or less live to be an average of 81.2 years, above the national average for residents of the same demographic in other regions. The Times points out that life expectancy is not a direct result of income inequality. Changes made to improving public health can lead to a longer life expectancy no matter how much an individual makes.

The United Health Foundation in 2015 ranked North Dakota No. 12 in the US in terms of overall public health and cited factors such as low levels of air pollution and a low rate of drug deaths.

The saying goes, "Live Long and Prosper." But the two lifestyles are mutually exclusive.

[NY Times | United Health Foundation]