The Open Data Portal is a central, cloud-based repository for Lake County GIS datasets and related data. Users can view and stylize spatial components of the data, as well as chart tabular information. Data can be downloaded in variety of file formats, including ESRI Shapefiles (.shp), KML, and CSV formats.
Complete countywide datasets INCLUDING aerial photography may also be downloaded from our Amazon cloud site. Click the thumbnail below to go directly to the download page for the listed category.
Aerial Photography from 1939 to 2014.
Landmarks include schools, parks, major shopping areas and more.
Elevation data includes 2007 Cartographic Contours, Digital Terrain Model (DTM) and LiDAR data.
Boundaries for Lake County Forest Preserves and State Parks.
Planimetric data includes Building Outlines and Edge of Pavement.
Boundaries for Lake County Board Districts, Judicial Circuit Court Subcircuits, Lake County Boundary, Political Townships, State Representative Districts, State Senate Districts, U.S. Congressional Districts and Voting Precincts.
Data from the 2004 Soil Survey.
Surface water includes Advanced Identification wetlands, Hydrology and the Lake County Wetland Inventory.
Tax Districts Boundaries
Boundaries for Community College Districts, Drainage Districts, Elementary School Districts, Fire Protection District and Municipal Fire Department Boundaries, Fire Protection Districts alone, Fox Waterway Agency Boundaries, High School Districts, Joint Action Water Agency, Library Districts, Mosquito Abatement Districts, Municipal Boundaries, Park Districts, Sanitary Districts and Special Service Areas and Tax Increment Finance areas.
Tax Parcel Boundaries
Tax Parcel Boundaries for the 2015 assessment year.
Tax Parcel Maps
Published Tax Parcel Maps for the 2015 tax assessment years.
Transportation includes Railroads, Street Centerlines and Trails.