Federal candidate · 2019–2020 cycle · past cycle

Mike Rounds

Official portrait of Mike Rounds
Official portrait, U.S. Congress
Office
U.S. senator from South Dakota (class 2)
Party
Republican
Born
1954
In Congress
Senate since 2015 · 11 years in office
Current term
January 3, 2021 to January 3, 2027
FEC filing name
ROUNDS, MIKE
Next election
General November 3, 2020 (Wikipedia, checked October 23, 2026; confirm with your state election office)
Map of South Dakota with the whole state highlighted

South Dakota

Biographical details from congress-legislators (CC0), retrieved October 23, 2026.

RepublicanU.S. Senate · South DakotaIncumbentWon the general election (65.74%)

FEC candidate ID S4SD00049 · Principal campaign committee: ROUNDS FOR SENATE

CycleOfficeRaisedOutcome
2025–2026U.S. Senate · South Dakota$3,810,748.34General-election nominee
2019–2020U.S. Senate · South Dakota$3,663,084.50Won the general election (65.74%)
Total raised$3,663,084.50
Total spent$2,492,100.99
Cash on hand$1,682,521.96
Debts owed by the campaign$0.00
Loans from the candidate$0.00

2019–2020 cycle totals through December 31, 2020, from the FEC’s candidate summary file. This is a dated snapshot, not live reporting; the FEC’s page for this candidate is the official source.

Where the money comes from

Individual contributions: $2,066,636.73PACs and other committees: $1,491,350.00Transfers from joint fundraising and the candidate’s other committees: $89,503.47Other receipts (loans from others, refunds, interest): $15,594.30
  • Individual contributions$2,066,636.7356%
  • PACs and other committees$1,491,350.0041%
  • Transfers from joint fundraising and the candidate’s other committees$89,503.472%
  • Other receipts (loans from others, refunds, interest)$15,594.300%

Raised and spent over time

Report-by-report history is shown for the current cycle.

Committees

Assignments from unitedstates/congress-legislators (CC0), retrieved October 23, 2026.

PAC and committee contributors

358 committees reported giving $1,537,004.00 to this candidate, as filed by the giving committees through December 29, 2024. Timing differs from the campaign’s own reports, so this list may not match the totals above.

Show all 358 committees

Outside spending

  • Independent expenditures supporting Mike Rounds$1,698.55
  • Independent expenditures opposing Mike Rounds$7,697.56
  • Company and union communications to members about Mike Rounds$934.52

FEC totals for the 2020 cycle, including groups that are not political committees, retrieved October 24, 2026.

Independent expenditures by committees that are not part of the campaign, as reported by those committees. This money is spent separately, not given to the candidate.

The race

South Dakota U.S. Senate, 2020 · 4 registered candidates

CandidateRaisedCash on handThrough
Mike Rounds (R)$3,663,084.50$1,682,521.962020-12-31
Dan Ahlers (D)$273,832.80$20,718.712020-12-31
Scyller Borglum (R)$64,344.72$0.002020-11-27
Clara M Hart (D)$2,292.26−$676.382020-11-03

Polling and ratings

Race ratings

Recent polls

PollsterDatesSampleMargin of errorResults
Nielson Brothers PollingOctober 24–28, 2020479 (LV)± 4.48%Mike Rounds 56% · Dan Ahlers 39%

Ratings and polls as listed on Wikipedia: 2020 United States Senate election in South Dakota (retrieved October 23, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.

Sources and updates

  • Money: FEC bulk data (candidate summary, committee master, committee-to-candidate contributions), retrieved October 23, 2026. FEC candidate page · Principal campaign committee: ROUNDS FOR SENATE.
  • Polling, ratings and candidate status: Wikipedia, retrieved October 23, 2026 (CC BY-SA 4.0).
  • Status shown above comes from the race’s Wikipedia page.

TerraCivic shows public filings without scores, grades or judgments about any candidate.

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