Chicago Department of Aviation (CDA) - Residential Sound Insulation Program Maps
Chicago Police Department - CLEARMAP
The City of Chicago leverages Geographic Information Systems (GIS) technology to optimize the use of City data in solving difficult business problems.
An enterprise GIS platform provides the tools and data management necessary for city departments to cost-effectively provide enhanced delivery of City services through technology.
| Chicago Maps
Maps are citywide and include community areas, neighborhoods and wards. |
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| Political Boundary Maps
Maps are of the Illinois House, Senate and Congressional Districts. |
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| US Census Maps
Maps of various population, housing, social and economic characteristics from 2000 Census. |
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NOTE: A software such as WinZip is needed to uncompress the data and a special GIS software, such as ESRI ArcGIS is needed to view the data. |