Winnetka, Ill.

Overall rank: 21 (tie)
Households: 4,249
Average income: $290,466
Average net worth: $1,571,823
Change in income since 2000: +17%
Income rank: 28
Net worth rank: 44

The wealthy suburb on Chicago's North Shore is known for its sprawling mansions, country clubs, and oak trees. It was also the setting for such movies as Home Alone and The Breakfast Club.