Most Expensive Suburb in Illinois: Winnetka
Median home price: $1,026,000
Cost-of-living index: 309
Nonretail spending index: 312
Location: about 20 miles north of Chicago
The Village of Winnetka, a wealthy suburb of Chicago, has four beaches along Lake Michigan, numerous parks, athletic fields, an indoor tennis club, ice rink, and public golf course. Winnetka's median household income was $167,458 and per capita income was $84,134, according to 2000 Census data.