Aerial view of Chicago Downtown with suburbs; these suburbs are where the top 5 most expensive ZIP codes can be found. So, read on to find out the most expensive ZIP codes in Illinois in 2025, relying ...
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Kenilworth's ZIP Code Is Richest In IL: Report
KENILWORTH, IL — Kenilworth has the richest ZIP code in Illinois, according to new census data compiled by IncomeByZipcode.com. The site analyzed the most recent five-year estimates from the U.S.
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