Illinois's 12th Congressional District

Illinois's 12th Congressional District elects one member to the U.S. House of Representatives. Below is the district's current representative, the members of Congress who held this seat before, and Illinois's two U.S. Senators.

Current Representative

Mike Bost (Republican) currently represents Illinois's 12th Congressional District. See Mike Bost's full voting record and key issue positions →

District History — Past Representatives

Members of Congress who previously represented Illinois's 12th Congressional District:

• William Enyart — Democrat (until 2015)
• Jerry Costello — Democrat (until 2013)
• Charles Boyle — Democrat (until 1961)
• Edgar Jonas — Republican (until 1955)
• John Buckbee — Republican (until 1937)
• Charles Fuller — Republican (until 1927)
• William Hinebaugh — Progressive (until 1915)
• John McDannold — Democrat (until 1895)
• Scott Wike — Democrat (until 1893)
• George Anderson — Democrat (until 1889)

Illinois U.S. Senators

• Tammy Duckworth — Democrat Senator
• Richard Durbin — Democrat Senator
• Mark Kirk — Republican Senator
• Roland Burris — Democrat Senator
• Barack Obama — Democrat Senator
• Peter Fitzgerald — Republican Senator
• Carol Moseley Braun — Democrat Senator
• Paul Simon — Democrat Senator
• Alan Dixon — Democrat Senator
• Charles Percy — Republican Senator
• Adlai Stevenson — Democrat Senator
• Ralph Smith — Republican Senator
• Everett Dirksen — Republican Senator
• Paul Douglas — Democrat Senator
• Scott Lucas — Democrat Senator
• Charles Brooks — Republican Senator
• James Slattery — Democrat Senator
• James Lewis — Democrat Senator
• William Dieterich — Democrat Senator
• Otis Glenn — Republican Senator
• Charles Deneen — Republican Senator
• William McKinley — Republican Senator
• Joseph McCormick — Republican Senator
• Lawrence Sherman — Republican Senator
• Shelby Cullom — Republican Senator
• William Lorimer — Republican Senator
• Albert Hopkins — Republican Senator
• John Palmer — Democrat Senator
• Charles Farwell — Republican Senator
• John Logan — Republican Senator
• David Davis — Independent Senator
• Richard Oglesby — Republican Senator
• Lyman Trumbull — Republican Senator
• Richard Yates — Republican Senator
• William Richardson — Democrat Senator
• Orville Browning — Republican Senator
• Stephen Douglas — Democrat Senator
• Sidney Breese — Democrat Senator
• James Semple — Democrat Senator
• Samuel McRoberts — Democrat Senator
• Richard Young — Democrat Senator
• John Robinson — Democrat Senator
• William Ewing — Jackson Senator
• Elias Kane — Jackson Senator
• David Baker — Jackson Senator
• John McLean — Jackson Senator
• Jesse Thomas — Adams Senator
• Ninian Edwards — Republican Senator

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