John Thune
South Dakota · Senate

John Thune

U.S. Senator from South Dakota

Republican

65years old
1997first sworn into Congress
2028next on the ballot
$8.8Mraised for the 2028 race
What they promised

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Bio

John Randolph Thune is an American politician serving as the senior United States senator from South Dakota, a seat he has held since 2005. A member of the Republican Party, Thune has served since 2025 as Senate majority leader and Senate Republican leader. S. representative for South Dakota's at-large congressional district.

From Wikipedia, available under CC BY-SA 4.0.

Voting record

More conservative than 58% of the Senate

Most liberalMost conservative

Based on 907 roll-call votes in the 119th Congress, scored with Voteview's DW-NOMINATE.

Campaign money · 2028 race
Raised
$8.8M
From individuals
$2.9M
Spent
$7.9M
Cash on hand
$17.9M

Federal Election Commission, through 2026-09-30.

AIPAC money

On record since 2022

Given to their campaign
$173K
Donations from AIPAC and its members, sent to John Thune’s campaign to spend.
Ads to help them win
$0
Ads and mailers AIPAC paid for on its own, supporting John Thune.
Ads to help them lose
$0
Ads and mailers AIPAC paid for on its own, attacking John Thune.

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. HouseSouth Dakota at-large
  2. SenateSouth Dakota
Reach them

Phone 202-224-2321

Office 511 Dirksen 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.