7. Huntsville, Alabama

Alabama boasts some of the lowest property taxes in the United States, and it completely exempts Social Security benefits from state income taxation. Huntsville combines these financial perks with a booming, highly educated local economy. The cost of living here runs 5.8 percent below the national average.

Often called the “Star of Alabama” due to its rich aerospace history and the presence of the U.S. Space and Rocket Center, the city provides high-quality healthcare networks, fantastic restaurants, and a well-maintained infrastructure. Retirees flock here because they get the modern amenities of a forward-thinking tech hub paired seamlessly with traditional Southern affordability.