U.S. Representative for IL's 12th Congressional District · Republican
Mike Bost is a Republican U.S. Representative for IL's 12th Congressional District. This page tracks Mike Bost's congressional voting record, attendance, legislative effectiveness, and positions on key issues. In office since 2015.
Party-line voting: votes with Republican 95.38% of the time (4.62% of votes break with the party).
Legislative effectiveness: sponsored 1751 bills, 90 of which were enacted into law.
Top Issues Mike Bost Votes On
Immigration
Climate Change
Taxation
Defense Spending
Renewable Energy
Health Insurance
How Mike Bost Voted on Recent Bills
Nay on “Make the District of Columbia Safe and Beautiful Act of 2025” (2026-03-25) — Failed
Yea on “Deporting Fraudsters Act of 2026” (2026-03-18) — Passed
Nay on “Kayla Hamilton Act” (2025-12-16) — Failed
Nay on “Rescissions Act of 2025” (2025-07-17) — Failed
Nay on “One Big Beautiful Bill Act” (2025-07-03) — Failed
Yea on “Jeremy and Angel Seay and Sergeant Brandon Mendoza Protect Our Communities from DUIs Act of 2025” (2025-06-26) — Passed
When Mike Bost Broke With the Republican Party
Mike Bost has voted against the Republican majority on about 4.6% of party-line votes tracked. Recent examples:
Voted Aye on “Making appropriations for military construction, the Department of Veterans Affairs, and related agencies for the fiscal year ending September 30, 2027, and for other purposes.” (2026-05-15) while most Republicans voted No — Failed.
Voted No on “Farm, Food, and National Security Act of 2026” (2026-04-30) while most Republicans voted Yea — Failed.
Voted Yea on “ROTOR Act” (2026-02-24) while most Republicans voted No — Failed.
Voted No on “Consolidated Appropriations Act, 2026” (2026-01-22) while most Republicans voted Yea — Failed.
Voted No on “Consolidated Appropriations Act, 2026” (2026-01-22) while most Republicans voted Yea — Failed.