3) San Diego
San Diego is ranked 22nd on the list. Famous for its beaches and warm weather, tourism is a major industry here due to the 30 million tourists that visit the area annually. The San Diego Zoo, Balboa Park and SeaWorld are major draws for visitors, as well as whale-watching tours, sport fishing and craft beer. The climate has also been ranked as one of the best by both the Weather Channel and the Farmers’ Almanac. Many residents work in technology, healthcare, research and the military. San Diego has 49 high schools that have been ranked as top schools, and several colleges, including a local University of California campus. The city is also safer than similar metro areas and crime is at a 35-year low. Once again, all these perks come at a cost. San Diego also has a higher than average cost of living.