Lake County Data Extract

The Lake County Data Extract provides parcel characteristics and tax information for all properties located in Lake County, Illinois. A complete list of the data fields can be found here. The information contained in the extract is "as is", and Lake County does not in any way guarantee the correctness or accuracy of the information contained therein.

Files are available in Excel and Access formats, as well as by Township and County-Wide.

Update Frequency: Monthly (files may be updated more frequently when assessed values are publishing)