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Mike Rounds

R
U.S. Senator · South Dakota · 114th-119th, 11 years 8 months
OverviewVotesLegislationCommitteesNewsCampaignsPositionsInterviewCommsEndorsements
Overview of the Representative's office, activities, and communications.

About

Rounds, Marion Michael A Senator from South Dakota; born in Huron, Beadle County, S. Dak., October 24, 1954; B.S., South Dakota State University, 1977; insurance and real estate executive; member of the South Dakota state senate 1991-2000, serving as majority leader 1995-2000; governor of South Dakota 2003-2011; elected as a Republican to the United States Senate in 2014; reelected in 2020 for the term ending January 3, 2027.

Official Biography · U.S. Congress.
Years served
11
Bills introduced
63
Enacted
0
Cosponsored
267
Committees
18

Performance & Participation

Votes CastTop 25%
99% — Voted in 861 of 869 roll call votes this congress.
Avg 97% · Most: 100% · Least: 87%
Vote IndependenceMiddle 50%
0.9% — Voted against their own party majority 8 of 850 times.
Avg 2.8% · Most independent: 19.0% · Most party-line: 0.0%
Cosponsors AttractedMiddle 50%
207 — Attracted 207 cosponsors across 63 bills.
Avg 320 · Most: 967 · Least: 0
Cosponsors Attracted Cross-AisleMiddle 50%
63 — Attracted 63 cosponsors across the aisle.
Avg 79 · Most: 354 · Least: 0
Cosponsorships GivenMiddle 50%
267 — 267 bills cosponsored.
Avg 330 · Most: 727 · Least: 30
Cosponsorships Given Cross-AisleMiddle 50%
82 — 82 bills cosponsored across the aisle.
Avg 94 · Most: 425 · Least: 0
Social Media ToneiTop 25%
NegativePositive
Avg +0.65 · Most: +0.93 · Least: +0.48
Press Release ToneiTop 25%
NegativePositive
Avg +0.33 · Most: +0.62 · Least: +0.09

Committee Assignments

18 committees · 2 leadership roles
Deep Red State GOP Senator Scrubs Trump Mentions From Campaign Website
Mediaite · Oct 12, 2026
Republicans Are Even Ramping Up Campaign Spending In Deep-Red South Dakota Now
The Daily Caller · Oct 12, 2026
Democrat-Linked ‘Independents’ Osborn, Bodnar, Bengs Insist They Won’t Caucus with Either Party
Breitbart · Oct 12, 2026
Senate Grills Bank Nominees on Kazakhstan Mine Deal
Legis1 · Oct 7, 2026
Trump’s Illegal Campaign Ads Are an Admission of Defeat
The New Republic · Oct 3, 2026
Your actions
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On the ballot Nov 3, 2026
South Dakota U.S. Senate Seat (Class II)
View the Race →Candidate Page →
District
View Office Details →
2026 Campaign Finance
$4.5M
Raised
29%
Individual
31%
PAC
—
Small $
3,773
Donors
Individual 29%PAC 31%Other 40%
Top PAC Donors
NRSC$62K
MORTGAGE BANKERS ASSOCIATION POLITICAL ACTION COMMITTEE (MORPAC)$45K
CHEVRON EMPLOYEES POLITICAL ACTION COMMITTEE - CHEVRON CORPORATION$15K
UNITED SERVICES AUTOMOBILE ASSOCIATION EMPLOYEE PAC - USAA EMPLOYEE PAC$15K
AIR LINE PILOTS ASSOCIATION PAC$10K
View All Campaigns →
Data sourced from official congressional records, CRS, and FEC filings. AllCiv Score methodology available at allciv.com/methodology.