Louisville, Kentucky is the cheapest place to retire thanks to its cost of living, which is 16 points lower than the national average, according to the American Grandparents Association. Other cheap places to retire include Pittsburgh, Pennsylvania and Roanoke, Virginia.
Louisville, Kentucky is a haven for outdoor enthusiasts and foodies alike. The state has a 6 percent tax rate as of April, 2015, but it may be as low as 2 percent in some areas of the city. Louisville offers more than 100 miles of bike trails and is home to the Jefferson Memorial Forest, which is the country's largest urban forest.