Florida towns take the top three spots, with Dunedin winning. It has a livability score of 84 out of 100 and a median household income of $68,068. Additionally, Dunedin, which is located on the Gulf of Mexico about 25 miles west of Tampa, has a sizable retirement community with 35 percent of residents aged 65 and older. The town is known for its beautiful white sand beaches and charming downtown.