Louisiana Senate race 2026
Our 21-day average puts John Fleming at 27.1%, Bill Cassidy at 20.8%, Julia Letlow at 48%, Mark Spencer at 1.6%, based on 28 polls ending between 8/14/2024 and 9/19/2026. Dots on the chart are individual polls; the line is the rolling average. How to read these numbers.
Louisiana Senate race 2026 over time
28 polls · 21-day rolling average · dots are individual polls
John Fleming 27.1%
Bill Cassidy 20.8%
Julia Letlow 48%
Mark Spencer 1.6%
View data as table
| Choice | Latest average | Polls | Latest poll |
|---|---|---|---|
| John Fleming | 27.1% | 26 | 5/19/2026 |
| Bill Cassidy | 20.8% | 25 | 5/11/2026 |
| Julia Letlow | 48% | 21 | 9/19/2026 |
| Mark Spencer | 1.6% | 9 | 5/11/2026 |
Average result
Unweighted mean across 28 matching polls
View data as table
| Choice | % |
|---|---|
| John Fleming | 23.7% |
| Bill Cassidy | 25.9% |
| Julia Letlow | 30% |
| Mark Spencer | 2.1% |
| Blake Miguez | 5.5% |
| Eric Skrmetta | 1.7% |
| Jamie Davis | 40.5% |
| Clay Higgins | 33.3% |
Individual polls (28)
| End date | Pollster | Sample | Results |
|---|---|---|---|
| 9/19/2026 | Hart Research Associates | 500 LV |
Julia Letlow (R)
Jamie Davis (D)
|
| 7/22/2026 | Public Policy Polling | 518 RV |
Julia Letlow (R)
Jamie Davis (D)
|
| 5/19/2026 | JMC Enterprises | 640 LV |
Julia Letlow (R)
John Fleming (R)
|
| 5/11/2026 |
BDPC
for Advanced Strategies |
600 LV |
Julia Letlow (R)
John Fleming (R)
Bill Cassidy (R)
Mark Spencer (R)
|
| 5/7/2026 | Quantus Insights | 1,015 LV |
Julia Letlow (R)
John Fleming (R)
Bill Cassidy (R)
Mark Spencer (R)
|
| 5/5/2026 |
BDPC
for Advanced Strategies |
600 LV |
Julia Letlow (R)
John Fleming (R)
Bill Cassidy (R)
Mark Spencer (R)
|
| 5/5/2026 |
Fabrizio, Lee & Associates
for Accountability Project |
600 LV |
Julia Letlow (R)
Bill Cassidy (R)
John Fleming (R)
Mark Spencer (R)
|
| 4/30/2026 |
BDPC
for Advanced Strategies |
600 LV |
Julia Letlow (R)
John Fleming (R)
Bill Cassidy (R)
Mark Spencer (R)
|
| 4/26/2026 |
Emerson College
for KLFY | Nexstar |
500 LV |
John Fleming (R)
Julia Letlow (R)
Bill Cassidy (R)
Mark Spencer (R)
|
| 3/24/2026 | American Pulse Research & Polling | 455 LV |
Julia Letlow (R)
John Fleming (R)
Bill Cassidy (R)
|
| 3/19/2026 |
Actionable Intel
for Harris, Deville & Associates |
683 LV |
Bill Cassidy (R)
Julia Letlow (R)
John Fleming (R)
|
| 3/17/2026 |
BDPC
for Advanced Strategies |
600 LV |
Julia Letlow (R)
John Fleming (R)
Bill Cassidy (R)
|
| 3/12/2026 |
Fabrizio, Lee & Associates
for Accountability Project |
600 LV |
Julia Letlow (R)
Bill Cassidy (R)
John Fleming (R)
Mark Spencer (R)
|
| 3/10/2026 | Public Opinion Strategies | 500 LV |
Bill Cassidy (R)
Julia Letlow (R)
John Fleming (R)
|
| 2/24/2026 |
Cor Strategies
for Pelican Institute |
— RV |
Bill Cassidy (R)
John Fleming (R)
Julia Letlow (R)
Mark Spencer (R)
|
| 2/24/2026 | Quantus Insights | 1,428 LV |
John Fleming (R)
Julia Letlow (R)
Bill Cassidy (R)
|
| 2/23/2026 |
BDPC
for Advanced Strategies |
600 LV |
Bill Cassidy (R)
Julia Letlow (R)
John Fleming (R)
|
| 2/16/2026 | JMC Enterprises | 645 LV |
John Fleming (R)
Julia Letlow (R)
Bill Cassidy (R)
Mark Spencer (R)
|
| 1/22/2026 |
BDPC
for Advanced Strategies |
600 RV |
Julia Letlow (R)
Bill Cassidy (R)
John Fleming (R)
Blake Miguez (R)
|
| 1/22/2026 | Public Opinion Strategies | 600 LV |
Bill Cassidy (R)
Julia Letlow (R)
John Fleming (R)
Blake Miguez (R)
Eric Skrmetta (R)
Kathy Seiden (R)
|
| 1/14/2026 | JMC Enterprises | 650 LV |
John Fleming (R)
Bill Cassidy (R)
|
| 11/20/2025 |
Cor Strategies
for Pelican Institute |
— LV |
Bill Cassidy (R)
John Fleming (R)
Julie Emerson (R)
Blake Miguez (R)
Kathy Seiden (R)
Eric Skrmetta (R)
|
| 10/17/2025 | JMC Enterprises | 610 LV |
John Fleming (R)
Bill Cassidy (R)
|
| 7/21/2025 | JMC Enterprises | 625 LV |
John Fleming (R)
Bill Cassidy (R)
|
| 4/16/2025 | Ragnar Research Partners | 600 LV |
Bill Cassidy (R)
John Fleming (R)
Randy Arrington (R)
|