6. Leawood, Kan.
Leawood was named in honor of Oscar G. Lee, an original owner of the town site, which was part of the Louisiana Purchase. Thanks to the Santa Fe Trail that runs through this small municipality, it has attracted a growing population of just over 30,000 residents. The median family income is over $145,000. Leawood residents carry a median credit card debt of $4,857 with a $642 finance charge that will take them an estimated 20 months and 29 days to pay off.
