Jason Gunderson
Lost the 2026 race for Montana Senate District 29.
- Last margin
- −12.9
- Lost 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
- nominee for the 58th state representative district in 2024
Every race Gunderson has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Gunderson won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | Montana Senate District 29 | General | Lost | Scott Rosenzweig (D) | 43.6% | D+12.9 | $30.2K | D+2.3 |
Source: 99chambers results archive; 2026: Montana Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Money
Gunderson’s campaign fundraising.
- Raised, 2025–26
- $30.2K
Source: Montana Commissioner of Political Practices filings through Oct 8, 2026Updated Nov 1, 2026, 9:16 AM ET
What’s next
From campaign filings, not from public statements.
| Gunderson, Jason D State | Active |
Source: Montana Commissioner of Political Practices filings through Oct 8, 2026Updated Nov 1, 2026, 9:16 AM ET
Who Gunderson has run against
- Scott Rosenzweig (D) · 2026 general, lost
Source: 99chambers results archive; 2026: Montana Secretary of State (unofficial)
The seat
- Montana Senate District 29 · lean D+2.6 · 16th most Democratic of 50
Source: 99chambers: presidential results on current lines (MEDSL precinct returns)