2011 Redistricting
The district covers parts of Cook, Du Page and Will counties, as of the 2011 redistricting which followed the 2010 census. All or parts of Chicago, Bridgeview, Burbank, Crest Hill, Hickory Hills, Homer Glen, Justice, La Grange, Lemont, Lockport, Oak Lawn, Palos Heights, Palos Hills, Romeoville, Summit, Western Springs and Worth are included. The representatives for these districts will be elected in the 2012 primary and general elections, and the boundaries will become effective on January 5, 2013.
Read more about this topic: Illinois's 3rd Congressional District