Grad Gain: 36,666 Share of 25+ Population, 2007: 5.42% New Orleans' No. 1 ranking is likely due to former exiles returning after Hurricane Katrina. A recent report from the Census Bureau estimates that area's population in the past decade has shrunk 29%. Recovery in the urban core has remained patchy, but suburban populations have recovered more quickly from the disaster.
No. 1 New Orleans
Can you imagine the cleanup required after Mardi Gras? Both tourists and Mother Nature have sometimes been hard on the Crescent City, which readers voted the dirtiest in America. But that doesn’t stop the good times from rolling on. Voters embraced the city’s fun-loving spirit, ranking New Orleans first for its nightlife and eclectic people-watching.