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Our Region

Chicago is one of 12 regional offices. Chicago's geographically diverse region includes three states, which are Illinois, Indiana, and Wisconsin, with a total of 266 counties (IL-102, IN-92, WI-72). We have 11 Indian Reservations and 39 Congressional Districts within our regional boundaries. The 1990 census population for our region was over 21 million, with Illinois ranking sixth in the United States in total population. The region has 31 Metropolitan Statistical Areas, 5 Consolidated Metropolitan Statistical Areas, 18 Primary Metropolitan Areas, and approximately 2,428 Incorporated Places.

Chicago Federal Executive Board

ChicagoInfo.gov - "This portal website is designed to enable you to access the information you need quickly and easily by cutting across branches of government and agency lines"

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Map of Chicago Region Map of Illinois, links to State Regional Data Map of Indiana Map of Wisconsin, links to State Regional Data

Illinois
Indiana
Wisconsin

Source: U.S. Census Bureau
Maintained by: Partnership and Data Services Branch
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Last Revised: January 18, 2009