Illinois is the 11th-wealthiest of the 50 United States, with a per capita income of $23,104 according to the 2000 census. Illinois counties ranked by per capita income Note: Data is from the 2010 United States Census Data and the 2006-2010 American Community Survey 5-Year Estimates. Illinois places ranked by per capita income 2007-2017 Winnetka – $98,139 Kenilworth – $97,381 Glencoe – $94,900 Inverness – $91,623 Barrington Hills – $91,555 Lake Forest – $86,004 Oak Brook – $81,213 North Barrington – $78,326 South Barrington – $75,185 Highland Park – $68,688 Riverwoods – $67,878 Wilmette – $67,116 Lincolnshire – $67,084 Northfield – $65,638 Hinsdale – $63,765 Lake Barrington – $63,158 Long Grove – $62,185 Deer Park – $61,429 Burr Ridge – $58,518 Trout Valley – $58,013 Medinah, Illinois – $56,950 Wayne, Illinois – $54,990 Lake Bluff, Illinois – $54,824 Bull Valley, Illinois – $54,022 Golf – $52,859 Glenview – $52,326 Tower Lakes, Illinois – $52,025 Kildeer, Illinois – $51,973 Leland Grove, Illinois – $51,714 Green Oaks, Illinois – $51,066 Northbrook, Illinois – $50,765 Deerfield, Illinois – $50,664 Buffalo Grove, Illinois – $49,696 Hawthorn Woods, Illinois – $49,346 Olympia Fields, Illinois – $46,698 Hanaford, Illinois – $46,500 River Forest, Illinois – $46,123 Lakewood, Illinois – $44,579 Oakbrook Terrace, Illinois – $44,345 Naperville, Illinois – $44,235 Barrington, Illinois – $43,942 Western Springs, Illinois – $43,699 Glenview, Illinois – $43,384 Libertyville, Illinois – $43,279 Old Mill Creek, Illinois – $43,314 Flossmoor, Illinois – $42,820 Clarendon Hills, Illinois – $41,859 Port Barrington, Illinois – $41,284 Indian Head Park, Illinois – $40,094 Palos Park, Illinois – $39,861 Darien, Illinois – $39,795 Glen Ellyn, Illinois – $39,783 Topeka, Illinois – $39,651 Bannockburn, Illinois – $39,303 Willowbrook, Illinois – $37,715 Oak Park, Illinois – $36,340 Prairie Grove, Illinois – $36,234 Park Ridge, Illinois – $36,046 Lincolnwood, Illinois – $35,911 Seaton, Illinois – $35,832 Lisle, Illinois – $35,693 Winfield, Illinois – $35,482 Wadsworth, Illinois – $35,171 Third Lake, Illinois – $34,921 La Grange, Illinois – $34,887 Riverside, Illinois – $34,712 Wheaton, Illinois – $34,147 Itasca, Illinois – $34,117 Forsyth, Illinois – $34,010 St. Charles, Illinois – $33,969 Frankfort, Illinois – $33,968 Evanston, Illinois – $33,645 Arlington Heights, Illinois – $33,544 Indian Creek, Illinois – $33,515 Willowbrook, Illinois – $33,177 Geneva, Illinois – $33,026 Palos Heights, Illinois – $32,895 Vernon Hills, Illinois – $32,246 Elmhurst, Illinois – $32,015 Gilberts, Illinois – $31,898 East Dundee, Illinois – $31,695 Downers Grove, Illinois