Geographic Information Systems



The mission of the Department of Geographic Information Systems (GIS) is to provide maintenance of and access to the Cook County Geographic Information System, including related hardware, software, application development, training and policy. The department provides shared geographic based information via a network that facilitates security access where required and, when necessary, provide restrictions.

In compliance with an ordinance passed June 4, 2002 by the Cook County Board of Commissioners, a Geographic Information System fund was created solely to be used for the equipment, materials, and necessary expenses incurred in implementing and maintaining an enterprise Cook County geographic information system.  Policy and priority are determined by the multi-agency Land Steering Committee.
This site contains information regarding the history, work and mapping information available.