Kenilworth: Tops the list with an average household income surpassing $400,000.
Inverness: Northwest of Chicago, flaunts an average household income above $255,000.
Long Grove: Known for expansive homes, holds an average household income of over $252,000.
Hinsdale: Western suburb with an average household income surpassing $248,000.
Highland Park: North of Chicago, commands an average household income over $242,000
Lake Forest: Nestled along Lake Michigan, boasts an average household income surpassing $241,000.