Waterways in Chicago, including Lake Michigan, rivers, and lakes. The data can be viewed on the Chicago Data Portal with a web browser. 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.

Locations of educational units in the Chicago Public School District for school year 2014-2015. To view or use these shapefiles, compression software, such as 7-Zip, and special GIS software, such as Google Earth, are required.

This dataset includes buildings and districts in Chicago which are listed on the National Register of Historic Places (NRHP) or designated as National Historic Landmarks (NHL).

The NRHP is the official list of the Nation's historic places worthy of preservation; NHLs are nationally significant historic places designated by the Secretary of the Interior because they possess exceptional value or quality in illustrating or interpreting the heritage of the United States.

The NRHP and NHL programs are federally-established and are administered by the National Park Service (www.nps/gov/nr) and the Illinois Historic Preservation Agency (IHPA, www.illinoishistory.gov/). This dataset is provided by the City of Chicago based on NRHP and NHL nominations provided by IHPA.

To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS or QGIS, is required. To download this file, right-click the "Download" link above and choose "Save link as." Time Period: Data is current as of June 2012. Update Frequency: Data is updated as needed.

Sidewalks in Chicago. To view or use these shapefiles, compression software, such as 7-Zip, and special GIS software, such as ESRI ArcGIS or QGIS, are required. To download this file, right-click the "Download" link above and choose "Save link as." Once unzipped, the .dbf file may be opened in any spreadsheet program, such as Microsoft Excel, and identifies the address associated with each sidewalk polygon where possible. Note this is a draft file and may be updated periodically.

OUTDATED. See the current data at https://data.cityofchicago.org/d/i6k4-giaj -- No parking is allowed on Snow Routes when there is two or more inches on the ground regardless of date or time. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS or QGIS, is required. To download this file, right-click the "Download" link above and choose "Save link as."

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."

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

Zoning district boundaries by type and classification. Chicago is divided into zoning districts that regulate land use activities across the city. Data is based on the Chicago Zoning Ordinance and Land Use Ordinance http://bit.ly/9eqawi. Zoning Types are defined in this ordinance. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required. For additional information about business uses, review the License/Zoning Reference (LZR) Guide http://bit.ly/vvGzne, which is based on the Municipal Code and is intended to assist business owners in determining the proper zoning district and primary business license for specific business types. Update Frequency: Data is updated monthly. Related Applications: Zoning Map https://gisapps.cityofchicago.org/zoning/

The Illinois Liquor Control Act of 1934 permits voters in any precinct in the City of Chicago to vote an entire precinct “dry” through a local option referendum. If a precinct has been voted “dry,” no liquor licenses can be issued.

VOTE_DRY_I column is the Precinct/Ward which was voted dry. It reflects the Ward/Precinct that was effective at the date of the referendum. Ward/Precinct boundaries may have changed since that date. STATUS column indicates if the precinct was voted 'dry' or 'wet'. The Illinois Liquor Control Act of 1934 permits voters in any precinct in the City of Chicago to vote an entire precinct “dry” through a local option referendum.

If a precinct has been voted “Dry/Dry,” no liquor licenses, other than a caterer’s liquor license, may be issued.
If a precinct has been voted "Dry/Wet" no liquor licenses can be obtained for the consumption of alcohol on premise but the sale of package goods is allowed along with the caterer’s liquor license.

The VOTE_DRY_I column is the Precinct/Ward which was voted dry. It reflects the Ward/Precinct that was effective at the date of the referendum. Ward/Precinct boundaries may have changed since that date. STATUS column indicates if the precinct was voted 'dry/dry' or 'dry/wet'.

To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required.

Special Service Areas (SSA) boundaries in Chicago. The Special Service Area program is a mechanism used to fund expanded services and programs through a localized property tax levy within contiguous industrial, commercial and residential areas. The enhanced services and programs are in addition to services and programs currently provided through the city. SSA-funded projects could include, but are not limited to, security services, area marketing and advertising assistance, promotional activities such as parades and festivals, or any variety of small scale capital improvements that could be supported through a modest property tax levy.

OUTDATED. See the current data at https://data.cityofchicago.org/d/7cve-jgbp -- Zoning district boundaries by type and classification.Chicago is divided into zoning districts that regulate land use activities across the city. Data is based on the Chicago Zoning Ordinance and Land Use Ordinance http://bit.ly/9eqawi. Zoning Types are defined in this ordinance. For additional information about business uses, review the License/Zoning Reference (LZR) Guide http://bit.ly/vvGzne, which is based on the Municipal Code and is intended to assist business owners in determining the proper zoning district and primary business license for specific business types. Related Applications: Zoning Map https://gisapps.cityofchicago.org/zoning/

Attendance boundaries for high schools in the Chicago Public Schools district for school year 2014-2015. Generally, all students in the applicable high school grades who live within one of these boundaries may attend the school. To view or use these shapefiles, compression software, such as 7-Zip, and special GIS software, such as Google Earth or ArcGIS, are required.

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

Ward boundaries in Chicago from May 2003 to May 2015, 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), is required.

Current industrial corridors 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.

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

Locations of educational units in the Chicago Public School District for school year 2017-2018. To view or use these shapefiles, compression software, such as 7-Zip, and special GIS software, such as Google Earth, are required.

Public schools located in Cook County. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is required.

OUTDATED. See the current data at https://data.cityofchicago.org/d/fz5x-7zak -- Tax Increment Financing (TIF) district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS, is required.

Chicago's Farmers Markets bring more than 70 vendors selling fresh fruits, vegetables, plants and flowers to neighborhoods throughout the City of Chicago. Markets are held Tuesday, Wednesday, Thursday, Saturday and Sunday around the city. 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." Data Owner: Cultural Affairs and Special Events. Time Period: 2011. Frequency: Data is updated annually or as needed. Last updated August 2011.

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.

The safe passages program has been implemented to increase children’s safety as they come and go each day. 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.

Facilities and features in Chicago parks. For more information, visit http://www.chicagoparkdistrict.com/facilities/search/. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS or QGIS, is required. To download this file, right-click the "Download" link above and choose "Save link as."

Street sweeping zones by Ward and Ward Section Number. For the corresponding schedule, see https://data.cityofchicago.org/d/k737-xg34.

For more information about the City's Street Sweeping program, go to http://bit.ly/H2PHUP.

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).

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