Boundaries - U.S. Congressional Districts

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U.S. Congressional district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required

Boundaries - State Congressional Districts (Senate)

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State of Illinois Senate Congressional district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required

Boundaries - Landmark Districts

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Landmark district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as Esri ArcGIS, are required.

Boundaries - Surrounding Municipalities

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Boundaries for the municipalities that surround Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required.

Boundaries - Police Districts

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Police district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required.

Boundaries - Planning Districts - Historical

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Planning district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required.

Boundaries - Ward Precincts (2011)

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Ward precincts, which function as local election districts, in Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required. To download, right-click the "Download" link above and choose "Save link as."

Boundaries - Neighborhoods

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Neighborhood boundaries in Chicago, as developed by the Office of Tourism. These boundaries are approximate and names are not official. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required.

Boundaries - Neighborhoods

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Neighborhood boundaries in Chicago, as developed by the Office of Tourism. These boundaries are approximate and names are not official. The data can be viewed on the Chicago Data Portal with a web browser. However, to view or use the files outside of a web browser, you will need to use compression software and special GIS software, such as ESRI ArcGIS (shapefile) or Google Earth (KML or KMZ), is required.

Boundaries - Census Tracts - 2010

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Census tract boundaries in Chicago. The data can be viewed on the Chicago Data Portal with a web browser. However, to view or use the files outside of a web browser, you will need to use compression software and special GIS software, such as ESRI ArcGIS (shapefile) or Google Earth (KML or KMZ), is required.