About us

Lake County Geographic information System (GIS) Division is a service driven resource providing support for the coordination and development of an enterprise GIS for the benefit of all Lake County departments and its residents. Please read our About Us page for more information.

Open Data Portal

The Open Data Portal is a central, cloud-based repository for all publicly available Lake County GIS datasets, applications, PDF maps and related data. Users can view and stylize spatial components of the data, as well as chart tabular information. Data can be downloaded in a variety of file formats, including ESRI Shapefiles (.shp), KML, and CSV formats. PDF maps can be searched and downloaded from our complete PDF map library. Users can also access financial data, property tax information and a variety of other public records from the site.