John Thune

U.S. Senate, South Dakota, 2028 · incumbent · Republican (as filed with the FEC). Holds the seat now (U.S. Senate member list).

Filed for 2028

$8,843,019raised toward 2028Totals reported to the FEC through September 30, 2026.
$17,917,155cash on hand

Anyone can appear here by filing a statement of candidacy with the Federal Election Commission; it is not a spot on the ballot, and the parties' nominees won't be chosen until 2028. A sitting senator's campaign committee is registered for their next election by default, which doesn't by itself mean they've announced a run.

Where they fall, left to right

Moderately right, from their votes in Congress (DW-NOMINATE, Voteview) (Senate roll-call votes, 119th Congress) · source.

How placements work is on How it works; the same rules as every 2026 candidate.

About John Thune

U.S. Senator. Senate Majority Leader in the 119th Congress, first elected to the Senate in 2004 and re-elected in 2010, 2016, and 2022, after three terms in the U.S. House beginning in 1996. Earlier he was a Senate staffer, a Small Business Administration appointee, South Dakota railroad director, and executive director of the South Dakota Municipal League. He previously served as Republican Whip (2019–2024) and Republican Conference chairman (2012–2018).

What they say they'll focus on:

  • Agriculture
  • Fiscal responsibility
  • Immigration and border security
  • Jobs, taxes, and economic growth
  • National security and foreign affairs

Summarized in our words from source 1, source 2, source 3, source 4, checked October 2026. Not an endorsement.

Links

Campaign website · FEC filings

← South Dakota Senate, 2028 · The 2028 election so far

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