United States House of Representatives, Illinois District 12

Illinois's 12th congressional district
Illinois's 12th congressional district - since January 3, 2013.
Current Representative	Mike Bost (R–Murphysboro)
Area	5,008 sq mi (12,970 km2)
Distribution	75.4% urban 24.6% rural
Population (2011 est.)	713,289
Median income	42,181
Ethnicity	79.0% White 17.1% Black 1.1% Asian 3.0% Hispanic 0.2% Native American 0.0% Hawaiian 0.5% other 2.2% Multi
Cook PVI	R+5

The 12th Congressional District of Illinois has been represented by Republican Rep. Mike Bost since 2015.

The district covers parts of Madison county, and all of Alexander, Franklin, Jackson, Jefferson, Monroe, Perry, Pulaski, Randolph, St. Clair, Union and Williamson counties, as of the 2011 redistricting which followed the 2010 census. All or parts of Belleville, Cahokia, Carbondale, Collinsville, East St. Louis, Granite City, Herrin, Marion, Mt. Vernon, O'Fallon, Shiloh and Swansea are included. The representatives for these districts were elected in the 2012 primary and general elections, and the boundaries became effective on January 5, 2013.

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