Winnetka, located along the shores of Lake Michigan, is consistently ranked as the wealthiest suburb in Illinois, with a median household income exceeding $250,000 and an average home value over $1 million.

Glencoe, another North Shore suburb, boasts the second-highest median household income in Illinois at around $190,000, thanks in part to its proximity to Chicago and high-end amenities.

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Hinsdale, known for its tree-lined streets and historic architecture, has an average household income of over $380,000, making it one of the wealthiest suburbs in the state.

Lake Forest, with its picturesque lakefront setting and elite private schools, has a median home value in excess of $1 million, attracting affluent families to its exclusive community.

Bannockburn, a small village in northern Illinois, has a remarkable median household income of over $240,000, despite its relatively small population of just over 1,400 residents.

Long Grove, a quaint village in the northwestern suburbs, boasts a median home value of nearly $800,000, reflecting the affluence of its residents.

Clarendon Hills, located just west of Chicago, is recognized for its high-performing public schools and affluent population, with an average household income exceeding $160,000.

Kenilworth, known as the "Jewel of the North Shore," is the wealthiest city in Illinois, with a median household income of over $250,000 and an average home value topping $1.4 million.

Indian Head Park, a suburb in Cook County, has a relatively small population but an exceptionally high median household income of around $160,000.

Oak Brook, a hub for corporate headquarters and luxury shopping, is one of the wealthiest suburbs in Illinois, with a median household income of over $120,000.

Deer Park, a master-planned community in Lake County, has a median home value of nearly $800,000, reflecting the affluence of its residents.

Wilmette, a North Shore suburb known for its historic landmarks and upscale amenities, has a median household income of around $150,000.

Burr Ridge, a village in DuPage County, is recognized for its high-end homes and a median household income exceeding $130,000.

Inverness, a small village in Cook County, has a median home value of over $700,000, making it one of the most expensive suburbs in Illinois.

Hawthorn Woods, a planned community in Lake County, boasts a median household income of around $170,000, with many residents drawn to its luxury homes and amenities.