U.S. Senate · SDBioguide ID R000605
Mike Rounds
U.S. Senator for South Dakota
Republican
In Congress since2015
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On the record
- Yes
- 668
- No
- 239
- Present
- 0
- Did not vote
- 8
Missed 0.9% of roll calls. Chamber median 2.1%.
The full voting record50%Chamber median 99%100%
Counts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we count- Introduced
- 65
- Passed committee
- 6
- Passed a chamber
- 3
- Became law
- 0
- Individuals
- $1.6M
- PACs
- $1.6M
- Party
- $62K
- Other
- $529K
From FEC filings, Voteview roll calls and Congress.gov.
Republican. In Congress since 2015, 2 terms in total.
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Bills sponsored, 119th Congress
Bills and resolutions where Rounds is the primary sponsor. Most bills never leave committee; that is normal for every member. Source: Congress.gov, last updated Oct 29, 2026.
- Sponsored
- 65
- Passed committee
- 6
- Passed a chamber
- 3
- Became law
- 0
37 of 65 have at least one cosponsor from the other party.
A bill to require a Defense Science Board study on optimal organizational structure for digital solutions.
Introduced Jul 31, 2025. 0 cosponsors. S. 2600 on Congress.gov(opens in a new tab)
Introduced
HONOR Act of 2025
Introduced Jul 31, 2025. 1 cosponsor, 1 from the other party. S. 2623 on Congress.gov(opens in a new tab)
Introduced
A bill to amend title 10, United States Code, to designate the Assistant Secretary of Defense for Cyber Policy as principal staff assistant to the Secretary of Defense on matters within the responsibility of the Assistant Secretary, and for other purposes.