Mike Rounds
South Dakota · Senate

Mike Rounds

U.S. Senator from South Dakota

Republican

Re-elected Nov 3, 2026
72years old
2015first sworn into Congress
2032next on the ballot
$5.1Mraised for the 2026 race
The 2026 race

Re-elected

Seat
South Dakota Senate
Status
Called
What they promised

The receipts.

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Bio

Marion Michael Rounds is an American businessman and politician serving as the junior United States senator from South Dakota since 2015. A member of the Republican Party, he served as the 31st governor of South Dakota from 2003 to 2011.

From Wikipedia, available under CC BY-SA 4.0.

Voting record

More liberal than 51% of the Senate

Most liberalMost conservative

Based on 900 roll-call votes in the 119th Congress, scored with Voteview's DW-NOMINATE.

Campaign money · 2026 race
Raised
$5.1M
From individuals
$2.0M
Spent
$5.5M
Cash on hand
$1.3M

Federal Election Commission, through 2026-10-14.

AIPAC money

On record since 2022

Given to their campaign
$215K
Donations from AIPAC and its members, sent to Mike Rounds’s campaign to spend.
Ads to help them win
$0
Ads and mailers AIPAC paid for on its own, supporting Mike Rounds.
Ads to help them lose
$0
Ads and mailers AIPAC paid for on its own, attacking Mike Rounds.

AIPAC is a pro-Israel lobbying group that spends on elections two ways. Its PAC collects donations from members and sends them to campaigns, where they become the candidate’s money to spend. Its super PAC, United Democracy Project, runs its own ads, and the candidate gets no say in those, whether they help or hurt. From Federal Election Commission filings through 2026-10-14: AIPAC PAC filings (opens in a new tab), United Democracy Project filings (opens in a new tab).

Time in Congress
  1. SenateSouth Dakota
Reach them

Phone 202-224-5842

Office 716 Hart Senate Office Building Washington DC 20510

The rest of South Dakota's delegation

Photo: official congressional portrait (public domain). Records from congress-legislators. Spot an error? Tell us.