46. Lake Forest, Illinois (Average Household Income: $265,477)

At this point, we can add Chicago suburbs right up there with Washington, D.C. suburbs when it comes to attracting wealthy families. Lake Forest is approximately 30 miles north of Chicago and borders Lake Michigan to the east.

It has been named a “Tree City USA” by the National Arbor Day Foundation in recognition of its commitment to community forest. The actor Mr. T notably angered the town by cutting down more than 100 oak trees on his estate.