2026 Louisiana Senate Primary Runoff Poll

Julia Letlow Favored in Louisiana Senate Runoff

•       The Republican Primary Runoff Ballot for U.S. Senate stands 52% for Letlow, 35% for Fleming; remove undecideds and Letlow leads 58-42%.

•       Letlow is retaining 96% of her primary vote while Fleming is retaining 89% of his voters from the primary election. 

•       Among Trump Republicans, the ballot stands at 58% Letlow, 34% Fleming. Traditional Republicans are 45% Letlow, 36% Fleming. Christian Conservatives are 53% Letlow, 35% Fleming.

•       Among those who approve of President Trump, 56% support Letlow, 32% support Fleming. Those who disapprove of President Trump back Fleming at 63% over Letlow at 19%.

•       When respondents were told that President Trump endorsed Letlow, the ballot increases to 53% for Letlow, 34% for Fleming, and 13% undecided.

•       Letlow’s image is 57% favorable and 34% unfavorable. Having stayed largely out of the fray in the primary, Fleming’s image is 51% favorable and 28% unfavorable.

•       Among those with the highest past election turnout, Letlow’s image is 60% favorable, 30% unfavorable and Fleming’s image is 48% favorable, 32% unfavorable.

The sample size is 457 Republican likely voters in the 2026 Republican primary runoff in Louisiana Statewide. The margin of error is ±4.58% at a confidence interval of 95%. The demography of the survey sample is balanced to accurately represent the geography’s likely-voting population. The data was collected May 18 – 19, 2026. The total percentages of response may not equal 100% due to rounding.