15. Huntsville, Alabama

Huntsville has been one of America’s fastest-growing cities for years, but a significant increase in new rental supply has actually pushed rents down recently — making 2026 an unusually good time to lock in a lease. Average 1-bedroom rents now sit around $900 per month, and Alabama does not tax Social Security income.

Known as “Rocket City” for its deep ties to NASA and the aerospace industry, Huntsville has a technological and scientific culture that gives it an unusually well-educated and engaged community. The U.S. Space and Rocket Center is a world-class attraction, Monte Sano State Park offers hiking and stargazing right in the city, and the thriving Big Spring International Park provides a beautiful downtown gathering space.

Healthcare is excellent, with Huntsville Hospital — one of the largest in the Southeast — providing comprehensive senior services. For retirees who want affordable rents, warm weather, a dynamic and growing community, and access to excellent healthcare and outdoor recreation, Huntsville in 2026 is genuinely exceptional value.