Mike Rounds is a Republican U.S. Senator from SD. This page tracks Mike Rounds's congressional voting record, attendance, legislative effectiveness, and positions on key issues. In office since 2015.
Party-line voting: votes with Republican 99.14% of the time (0.86% of votes break with the party).
Legislative effectiveness: sponsored 1847 bills, 55 of which were enacted into law.
Top Issues Mike Rounds Votes On
Climate Change
Taxation
Defense Spending
Immigration
Foreign Aid
Renewable Energy
How Mike Rounds Voted on Recent Bills
Yea on “Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment.” (2025-11-20) — Joint Resolution Passed
Nay on “Rescissions Act of 2025” (2025-07-17) — Amendment Rejected
Yea on “One Big Beautiful Bill Act” (2025-07-03) — Motion to Proceed Agreed to
Yea on “Agriculture, Rural Development, Food and Drug Administration, and Related Agency Appropriations Act, 2026” (2025-11-13) — Bill Defeated
When Mike Rounds Broke With the Republican Party
Mike Rounds has voted against the Republican majority on about 0.9% of party-line votes tracked. Recent examples:
Voted Nay on “National Defense Authorization Act for Fiscal Year 2026” (2025-10-09) while most Republicans voted Yea — Amendment Rejected.
Voted Nay on “National Defense Authorization Act for Fiscal Year 2026” (2025-10-09) while most Republicans voted Yea — Amendment Rejected.