Lake Forest ZIP Code Among Richest In IL: Report

LAKE FOREST, IL — A Lake Forest ZIP code is among the top 10 richest in Illinois, according to new census data compiled by IncomeByZipcode.com.

The site analyzed the most recent five-year estimates from the U.S. Census Bureau’s American Community Survey to identify Illinois's wealthiest ZIP codes based on mean household income. Each ZIP code included had at least 500 residents and a reasonable margin of error.

The report found that 60043 in the Kenilworth area is Illinois's wealthiest ZIP code, with an
average household income of $460,411 and a median household income of $250,001.

Lake Forest's 60045 ZIP code placed sixth on the list, with an average income of $297,423 and a median household income of $225,551.

To make the top 10 in Illinois this year, ZIP codes needed an average household income above $249,000, a reflection of rising earnings and property values across the state’s most exclusive communities.

Here are the 10 wealthiest ZIP codes in Illinois, based on 2023 Census data:

1. 60043, (Kenilworth) — Average income: $460,411, Median: $250,001
2. 60022, (Glencoe) — Average income: $416,080, Median: $250,001
3. 60093, (Winnetka) — Average income: $380,923, Median: $230,777
4. 60521, (Hinsdale) — Average income: $363,418, Median: $244,318
5. 60029, (Golf) — Average income: $318,594, Median: $238,098
6. 60045, (Lake Forest) — Average income: $297,423, Median: $225,551
7. 60558, (Western Springs) — Average income: $294,896, Median: $218,839
8. 60091, (Wilmette) — Average income: $290,688, Median: $190,250
9. 60601 (Loop and New Eastside neighborhoods in Chicago) — Average income: $250,335, Median: $127,323
10. 60015 (Deerfield) — Average income: $249,611, Median: $186,786