Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

U.S. Senator from South Dakota · Class II

Mike Rounds

Republican 2nd term On 2026 ballot

From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 2, 2026 · How we measure

99LoyaltyMed 100
99AttendMed 98
9BipartMed 9
8BreaksMed 2
In office
Senate 2015–now
11 years in CongressMore senior than 35% of the Senate
Committees
  • Banking, Housing, and Urban Affairs 3rd majority
  • Armed Services 4th majority
  • Indian Affairs 4th majority
Age
72

2026 election

On the November ballot
General election Nov 3, 2026

Facing

See the full race

Activity

119th CongressJan 3, 2025 to Nov 3, 2026Method
By week
Statements
Bills introduced
Roll calls
Breaks with party
By yearStatementsStmtsBills sponsoredSpons.Bills passedPassedCosponsoredCospon.Roll callsVotesBreaks with partyBreaks
119th Congress2025–26, to date1256522769158
118th Congress2023–24not tracked—543339691112

Counts, not a score: statements as the Statements tab counts them, bills by introduction date, roll calls the member voted in, breaks on party-line votes.

1

What does he focus on?

MethodIssues tab →
Government Operations and Politics 19% 9%
Armed Forces and National Security 15% 23%
Agriculture and Food 6% 14%

StatementsBills

Words go to Government Operations and Politics, Armed Forces and National Security and Housing and Community Development; bills go to Armed Forces and National Security and Agriculture and Food.

  • He talks most about: Constituent Services (Government Operations and Politics), Armed Forces & National Security (Armed Forces and National Security), Military Readiness (Armed Forces and National Security), Workforce Development (Labor and Employment), Housing Affordability (Housing and Community Development).
  • 65 bills sponsored, most on Armed Forces and National Security.
2

Does he have influence?

MethodBackground tab →
ChairCybersecurity SubcommitteeArmed Services
ChairSecurities, Insurance, and Investment SubcommitteeBanking, Housing, and Urban Affairs
MemberBanking, Housing, and Urban Affairs Committee3rd majority
MemberArmed Services Committee4th majority

+4 more on Background

Chair of the Cybersecurity Subcommittee, more senior than 35% of the Senate, in the majority.

  • 11 years in Congress: more senior than 35% of the Senate.
  • Majority: Republicans hold 53 of 100 seats.
5

Who does he work with?

MethodWho votes alike →

His cosponsorships on Democratic bills

34% · peer median 19%

Closest across the aisle

Closest across the aisle Pro The members of the other party who vote most like Rounds.

Free account See Pro

Agreement on contested votes where both cast yea or nay, this Congress · Voteview

34% of his cosponsorships go to Democratic bills (peer median 19%); closest in his party: Boozman and Armstrong.

  • Other-party share of cosponsors on his own bills: not yet tracked.
  • Caucus memberships: not yet tracked.
3

Can he get things done?

MethodBills tab →

His billsExpected for a peerLaw inside another bill

Introduced 63 · expected 59.5
Action in committee 6 · expected 8
Beyond committee 5 · expected 6
Passed Senate 2 · expected 1.5
Became law 0 · expected 0.5 · +1 inside another bill
EffectivenessRank 58 of 100 in the Senate

0.65expected 0.96 · average member 1.00

2 of 63 bills passed the Senate; 0 became law; 1 more became law inside another bill; effectiveness 0.65 against a peer median of 0.96.

  • On the move: S. 3736 (out of committee), S. 287 (out of committee), S. 105 (out of committee).
  • Amendments offered and adopted, earmarks in dollars: not yet tracked.

119th Congress so far · bills from congress.gov

4

Where does he stand?

MethodVotes tab →
Position, all votesDW-NOMINATE +0.35

With his party on all 15 areas with 10 or more party-line votes so far.

Major bills of the Congress · final passage

Voted with his party on 10 of the 10 he voted on.

The same ten bills on every profile, chosen by a rule from the roll calls, statements and lobbying filings on file · Method · party column: Republicans yea–nay on that roll call.

Votes with Republicans on 99% of party-line votes, breaks 8 times (peer median 4).

  • Position: +0.35, outside the Republican middle 80%.
  • Most breaks by area: Economics and Public Finance 6 of 184, Armed Forces & National Security 2 of 43.

Distance from party, not an ideology score · areas under 10 party-line votes not shown.

6

Who backs him?

MethodMoney tab →

Where the money comes from, 2025–26

Rounds$3.8M raised40%43%15%
Senate median$3.0M raised23%28%15%19%

Small-dollar individualsLarge individualsPACs and other committeesTransfers and other

Small-dollargifts of $200 or less

42% of what he raised came from individuals; 2% came in gifts of $200 or less (chamber median 23%).

$3.8M raised, 43% from PACs and other committees (chamber median 15%).

  • Last general election for the seat (2020): won by 31.5 points.

113 PACs of the 274 that gave belong to organizations that lobbied on bills he faced a vote on, cosponsored or sponsored.

Top lobbying issues of the organizations behind the PACs that gave to him: Taxation, Budget/Appropriations and Financial Institutions/Investments/Securities.

  1. Young Victory Committee0% D
  2. Mortgage Bankers Association39% D
  3. Aflac47% D

What each PAC gave Pro Amounts, the full list and each organization’s lobbying are part of Pro.

Free account See Pro

Party split is the PAC’s giving to all federal candidates · FEC

What those organizations lobby on

111 bills

Rounds voted Yea on 13, Nay on 2, and sponsored or cosponsored 96 with no recorded vote.

7

Do his words match his actions?

MethodPositions tab →

Positions are being checked before they go public; this question fills in when they are.