zip code chicago illinois usa

Fri, 17 Apr 2026 07:17:26 +0000

# Zip Code Chicago, Illinois, USA: Explore Key Neighborhoods, Communities, and Local Insights Chicago, Illinois, is one of the most vibrant and diverse cities in the United States. Spanning over 77.25 square miles, Chicago’s postal code system reflects its rich cultural tapestry through distinct zip codes. This article explores key Chicago zip codes, their neighborhoods, demographics, and essential local insights to help you better understand this dynamic metropolis. Let’s dive into the zip codes that shape Chicago’s identity. --- ## Understanding Chicago Zip Codes: A Gateway to Local Lifestyle