I
Pollster
Impact Research
Quality grade B
Impact Research is a US public-opinion research and strategic consulting firm serving Democratic and progressive organizations. Its entry originated from supplied Montana District 1 documentation and that poll's attribution still needs verification. Grade B is not independently assessed.
Published data
Recent polls
| Pollster | Dates | Sample | Method | |
|---|---|---|---|---|
| Impact ResearchImpact Research — U.S. House — Montana District 1 | 20 Sep–23 Sep 2026 | 500 | Other | → |