Louisiana
Louisiana Senate 2026
Safe RRunoffIncumbent: Bill Cassidy (R)
Louisiana holds partisan U.S. Senate primaries on May 16, with a runoff if no candidate wins a majority. Decision Labs rates the race safe Republican.
Projected by CNN, NBC News, NPR · May 16, 2026 · unofficial
Runoff date: Jun 27, 2026 — no nominee until the runoff is decided.
Closed party primaries (new for 2026). Incumbent Bill Cassidy (R) was eliminated (third). Both parties advanced to a June 27, 2026 runoff — Republican: Julia Letlow v. John Fleming; Democratic: Gary Crockett v. Jamie Davis. No nominee yet.
Polling below predates this result.
Polling
Polling Average
Polling average as of Jun 1, 2026 · updated 9 days ago
Polling trend chart from 2026-02-25 to 2026-06-01. Latest averages: Bill Cassidy 20.3%, John Fleming 35.6%, Julia Letlow 47.3%.
Recent Polls(7)
| Pop | Letlow | Fleming | Cassidy | |||
|---|---|---|---|---|---|---|
| 2026-06-01 | Kaplan Strategiesunrated | 850 | LV | 52% | 37% | — |
| 2026-05-22 | Harper Pollingunrated | 457 | LV | 52% | 35% | — |
| 2026-05-17 | Quantus Insightsunrated | 1,015 | LV | 45% | 40% | — |
| 2026-05-08 | Quantus Insightsunrated | 1,015 | LV | 42% | 30% | 20% |
| 2026-04-30 | Emerson Collegeunrated | 500 | LV | 27% | 28% | 21% |
| 2026-03-25 | American Pulseunrated | 455 | LV | 31% | 25% | 21% |
| 2026-02-25 | Quantus Insightsunrated | 1,428 | LV | 25% | 34% | 20% |
Prediction Markets
No prediction market data available