Boundaries - Ward Precincts (2013-2022)

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Ward precincts, which function as local election districts to determine the polling places for voters, based on their addresses. Precincts are based on U.S. Census Bureau blocks. These precincts were first used for the 2012 elections and first used for Chicago municipal elections in 2015. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a derived view. Please click the indicated link below for such a map. To export the data in either tabular or geographic format, please use the Export button on this dataset.

Boundaries - Ward Precincts (2023-2024)

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Ward precincts, which function as local election districts to determine the polling places for voters, based on their addresses. Precincts are based on U.S. Census Bureau blocks. These precincts were first used for the November 2022 election and first used for Chicago municipal elections in 2023. Neither this description nor the dataset should be relied upon in situations where legal precision is required. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a derived view. Please click the indicated link below for such a map. To export the data in either tabular or geographic format, please use the Export button on this dataset.

Boundaries - Surrounding Municipalities - KML

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Boundaries of Chicago's surrounding municipalities. To view or use these files, special GIS software such as Google Earth is required. To download, right-click the "Download" link above and choose "Save link as."

Boundaries - State Congressional Districts (House)

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

PoliceDistrictDec2012

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Police district boundaries in Chicago that are effective as of December 19, 2012. 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 - Wards (2015-2023)

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Ward boundaries in Chicago from May 2015 to May 2023, corresponding to the dates when a new City Council is sworn in, based on the immediately preceding elections. Neither this description nor the dataset should be relied upon in situations where legal precision is required. 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).

CPS LSC VotingDistricts SY1819

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Local School Council voting districts for citywide and neighborhood public schools, intended to verify eligibility to run in LSC elections for 2018-2020. 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).

Boundaries - Police Districts - KML

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KML files of police districts in Chicago. To view or use these files, special GIS software such as Google Earth is required.

Boundaries - City - KML

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KML file of boundary for the city of Chicago. To view or use these files, special GIS software, such as Google Earth, 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.