The 10 cities with the largest drops in income,

Median household income dropped in 79 percent of the nation's cities and towns with populations of at least 20,000, from 1999 to 2005-2007.

Charleston, Ill. 20,811 -31%

Milledgeville, Ga. 26,448 -30%

Oxford, Ohio 21,930 -30%

Canton, Ga. 35,617 -29%

Passaic, N.J. 29,697 -29%

Hamtramck, Mich. 23,689 -28%

Auburn Hills, Mich. 46,080 -28%

Bensenville,Ill. 49,080 -28%

Portsmouth, Ohio 20,740 -28%

Asheboro, N.C. 28,927 -27%