WELCOME!The Jo Daviess County Geographic Information System is an enterprise system that assists Jo Daviess County departments, offices, and officials by developing, maintaining, and providing digital GIS data, analysis, support, and products to improve efficiencies, assist with decision-making, and provide quality services to the public. This online interactive mapping site provides GIS data access to citizens, businesses, non-profit organizations, and other government entities.
Public Map Portal access is free to all users. It has base map information such as township boundaries, road centerlines, and corporate boundaries.
Karst Map Portal access is free to all users. The Jo Daviess County Karst features database includes watersheds, crevices, sinkholes, springs, and mining collected by scientists from the Illinois State Water and Geological Surveys, Prairie Research Institute at the University of Illinois, professional staff at the U.S. Fish & Wildlife Service, and the League of Women Voters of Jo Daviess County. Subscription Map Portal access is available to subscribers from the public, businesses, non-profit organizations, and other government entities wishing to view more detailed geographic information such as parcel information, addresses, orthophotography, topographic features, and subdivisions data. Government Map Portal access is used by Jo Daviess County employees and officials.
Please note that large amounts of data are potentially transmitted during a user's session on this mapping site. The time required for maps to load into your browser will depend on your Internet speed and the amount of data being requested.
The browsers listed below will work with the mapping site.
