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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
Sen. Mike Rounds wins South Dakota Senate race
One America News Network · Nov 4, 2026
Warner Wins Virginia Senate Race by Wide Margin Over Republican
Legis1 · Nov 4, 2026
South Dakota: And The Winner Is
Legis1 · Nov 4, 2026
Rhoden, Rounds and Jackley kick off campaign bus tour in Black Hills region
News Center One · Oct 27, 2026
Today in history: The United Nations officially launches
The Boston Globe · Oct 24, 2026
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District
View Office Details →
2026 Campaign Finance
$5.1M
Raised
31%
Individual
27%
PAC
—
Small $
3,793
Donors
Individual 31%PAC 27%Other 42%
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.