This process uses the simple method, which has to do with instances where more than one district are represented in a precinct. Using the simple method the entire precinct data is used for any precinct that is in part or in whole in each district. More complicated methods may be available in the future.
Note: statewide precinct-level vote totals did not become available from the Illinois State Board of Elections until the General Election of 2014, any numbers listed for the 2012 GE are based on calculations provided by DKos Elections.
Note: the General Assembly has amended the 2021-2030 map, this data has been updated to reflect the amended map passed on 09/01/21 by the ILGA.