Illinois's 8th congressional district
The 8th congressional district of Illinois is a congressional district in the U.S. state of Illinois that has been represented by Democrat Raja Krishnamoorthi since 2017. 2011 redistricting. The congressional district covers parts of Cook County, DuPage County and Kane County, as of the 2011 redistricting which followed the 2010 United States Census. All or parts of Addison, Barrington Hills, Bloomingdale, Carol Stream, Carpentersville, East Dundee, Elgin, Elk Grove Village, Glendale Heights, Hanover Park, Hoffman Estates, Lombard, Palatine, Roselle, Schaumburg, South Elgin, Streamwood, Villa Park and Wood Dale are included. These boundaries became effective on  January 3, 2013. Elections. 2012 election. Incumbent Representative Joe Walsh was drawn out of the district for 2012 by 2011 redistricting, although a candidate is not required to live in the district to be eligible to run for a seat in Congress. Democrat Raja Krishnamoorthi of Hoffman Estates announced his candidacy for the seat in late May 2011. In July 2011, Democrat Tammy Duckworth also announced plans to run for the seat. Duckworth won the Democratic nomination on March 20, 2012. Duckworth defeated Walsh in the general election on November 6, 2012.