RepublicanNo state or federal office heldWon the 2026 general by 25.1
Catherine Barranco
Won the 2026 race for South Dakota Auditor.
- Last margin
- +25.1
- Won 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Background
As listed by the official candidate list, Wikidata and campaign filings. 99chambers does not summarize platforms or endorsements.
- On the ballot as
- economist and political organizer
Every race Barranco has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Barranco won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|
| 2026 | South Dakota Auditor | General | Won | Tom Cool (D) | 62.5% | R+25.1 | R+29.9 |
Source: 99chambers results archive; 2026: South Dakota Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Who Barranco has run against
- Tom Cool (D) · 2026 general, won
Source: 99chambers results archive; 2026: South Dakota Secretary of State (unofficial)