Illinois 12th Congressional District Representatives 2026

Browse citizen ratings for officials representing Illinois 12th Congressional District on PowerPlayers.

Your U.S. House Representative

Mike Bost (Republican)

Cities in Illinois 12th Congressional District

• Carbondale
• Centralia
• Murphysboro
• Salem
• West Frankfort

Your U.S. Senators

• Dick Durbin (Democrat)
• Tammy Duckworth (Democrat)

Your Governor

Alexi Giannoulias (Democratic)

Frequently Asked Questions

Who represents Illinois District 12 in Congress?

Mike Bost (Republican) currently represents Illinois's 12th Congressional District in the U.S. House of Representatives.

Who are the U.S. Senators for Illinois?

Illinois's U.S. Senators are Dick Durbin (Democrat) and Tammy Duckworth (Democrat). Senators represent the entire state, including District 12.

Who represents Carbondale, IL in Congress?

Carbondale, IL is within Illinois's 12th Congressional District, represented by Mike Bost (Republican). Rate your representative on PowerPlayers.

Who represents Centralia, IL in Congress?

Centralia, IL is within Illinois's 12th Congressional District, represented by Mike Bost (Republican). Rate your representative on PowerPlayers.

Who represents Murphysboro, IL in Congress?

Murphysboro, IL is within Illinois's 12th Congressional District, represented by Mike Bost (Republican). Rate your representative on PowerPlayers.

Who represents Salem, IL in Congress?

Salem, IL is within Illinois's 12th Congressional District, represented by Mike Bost (Republican). Rate your representative on PowerPlayers.

Who represents West Frankfort, IL in Congress?

West Frankfort, IL is within Illinois's 12th Congressional District, represented by Mike Bost (Republican). Rate your representative on PowerPlayers.

Can I vote by mail in Illinois?

Any registered voter in Illinois can request a vote-by-mail ballot without providing a reason. To request your ballot, visit vote.gov.

All Illinois Officials

Neighboring Districts

• Illinois 11th Congressional District
• Illinois 13th Congressional District

Key Cities in Illinois 12th

• Carbondale
• Murphysboro
• Makanda

Major Institutions and Employers

• Southern Illinois University Carbondale
• Carbondale Community High School
• Giant City State Park

Data Sources

District boundary and city mapping data sourced from the U.S. Census Bureau and Federal Election Commission (FEC). Representative information reflects the 118th Congress. Challenger data reflects FEC filings as of 2026. Last updated: April 2026.

External references: Ballotpedia — Illinois 12th Congressional District | GovTrack Congress Members