Jan 2, 2026 · Cook County Illinois is covered by a total of 225 ZIP Codes. There are 19 ZIP Codes in Cook County that extend into adjacent counties (DuPage County, Kane County, …

Explore Cook County, IL zip code map with key statistics, from population, demographics, household information, and more.

Jan 4, 2026 · See Cook County, Illinois ZIP Codes on Google Maps and quickly check what ZIP Code an address is in with this free, interactive map tool. Use this ZIP Code lookup map to …

There are 215 total unique zip codes in Cook County, Illinois. The time zone for Cook County is the Central Daylight Time zone and they follow daylight savings time.

Apr 4, 2025 · Explore Cook County’s zip codes, including Chicago and suburban areas. Find postal codes and neighborhoods with this detailed map.

Cook County, Illinois Zip Codes Cook County, Illinois Zip Codes Click on map label or in polygon for Cook County, IL zip codes and census information. Alsip 60463 Zip Code Cook County …

Each ZIP code corresponds to specific areas within the county, helping businesses, residents, and researchers understand population distribution, city locations, and service coverage …

This guide helps residents, businesses, and visitors quickly understand how ZIP Codes are organized across Cook County. You can use it to look up a specific community, check which …

View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth ArcGIS Pro Service Description: Cook County, IL map service containing addresses and zip code boundaries.

Each entry in this dataset provides detailed information including ZIP Code boundaries, land and water area measurements, and precise latitude and longitude coordinates.