Attendance boundaries for middle schools in the Chicago Public Schools district for school year 2009-2010. Note: only 33 middle schools have attendance boundaries in school year...

Attendance boundaries for middle schools in the Chicago Public Schools district for school year 2007-2008. Note: only 34 middle schools have attendance boundaries in school year...

The National Weather Service (NWS) Storm Prediction Center (SPC) routinely collects reports of severe weather and compiles them with public access from the database called...

Attendance boundaries for elementary schools in the Chicago Public Schools district for school year 2011-2012. Generally, all students in the applicable elementary school grades...

Street sweeping zones by Ward and Ward Section Number. The zones are the same as those used in 2014. For the corresponding schedule, see...

Attendance boundaries for elementary schools in the Chicago Public Schools district for school year 2007-2008. Generally, all students in the applicable elementary school grades...

2000 Census block boundaries clipped to 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...

Attendance boundaries for elementary schools in the Chicago Public Schools district for school year 2008-2009. Generally, all students in the applicable elementary school grades...

Locations of educational units in the Chicago Public School District for school year 2018-2019. To view or use these shapefiles, compression software, such as 7-Zip, and special...

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...

ZIP Code 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...

Current community area 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,...

Attendance boundaries for high schools in the Chicago Public Schools district for school year 2012-2013. Generally, all students in the applicable high school grades who live...

Attendance boundaries for high schools in the Chicago Public Schools district for school year 2013-2014. Generally, all students in the applicable high school grades who live...

Attendance boundaries for middle schools in the Chicago Public Schools district for school year 2015-2016. Note: only 23 middle schools have attendance boundaries in school year...

Ward office locations for aldermen. 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...

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...

Attendance boundaries for high schools in the Chicago Public Schools district for school year 2007-2008. Generally, all students in the applicable high school grades who live...

Attendance boundaries for middle schools in the Chicago Public Schools district for school year 2017-2018. Note: only 26 middle schools have attendance boundaries in school year...

From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...