Hey y'all! Index finds happiest U.S. states are in nation's vast heartland

Think you're seeing a lot more glum faces in your neighborhood? That's likely the case if you live in one of four states with high home-foreclosure rates: Florida, Nevada, California and Arizona. Those normally majestic, carefree states ranked as the least happiest, at least when it comes to money matters, a new survey shows.

And where might you find some of the most smiley people? According to Mainstreet.com's Happiness Index, dead in the center of the country, where some of the country's least densely populated states can be found. Nebraska was at the top of heap, followed by Iowa, Kansas, Oklahoma and Montana.