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 2014 assessment year.
Tax Parcel Maps
Published Tax Parcel Maps for the 2015 tax assessment years.
Transportation includes Railroads, Street Centerlines and Trails.