Ready to Retire at 40? These Are the 6 Best U.S. Cities to Call Your New Home

For many of us, retirement seems far off in the distance, but a frugal lifestyle may just be the answer to retiring as early as 40 years old. Of course, before daydreaming about reaching this incredible milestone, it's essential to come up with a retirement plan and following through with it, which may involve closely watching the purse strings. If you're one of the lucky few who get to step away from the office desk and begin a new life chapter at 40, these are the six best cities to do so, according to real-estate enterprise Redfin.

"It takes a lot of discipline to maintain such a frugal lifestyle, especially when you can afford not to. But the payoff, for some, to retire decades early might be well worth it," says Redfin chief economist Daryl Fairweather. Whether you love history or enjoy sunny weather all-year round, these six cities have everything you'll need for the best years ahead.