Cook_County_GISCreated for all users to view and understand Congressional District boundaries within Cook County, Illinois. The Congressional Districts will be effective on January 11, 2023 and are based on the 2020 Census. Congressional Districts are federal districts represented by the United States House of Representatives. The Congressional Districts were received from the Illinois State Board of Elections via download on Jan. 21, 2022 from the following webpage: https://www.elections.il.gov/agencyforms/Redistricting%202022%20Shape%20Files/ Cook County GIS projected the data in the local datum: NAD 1983 StatePlane Illinois East FIPS 1201 (US Feet). Cook County GIS also trimmed the districts using the Cook County boundary to only show the districts within the border of Cook County.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/a3fc9302435a43f188ab40b66c9f5a59_13engCook CentralPublicCongressional District, effective Jan. 3, 2023 [Illinois--Cook County]Web servicesIllinois--Cook CountyIllinois2023