SENATE

Louisiana Senate2026

RACE AT A GLANCE

RACE TYPE

OPEN

Bill Cassidy (R)

Lost Primary

RACE RATING

Last updated: Feb 11, 2025

Solid R

COOK PARTISAN VOTING INDEX

Last updated : Apr 27, 2026

D +50

R +50

Race summary

Louisiana GOP Sen. Bill Cassidy became the first elected incumbent senator to lose a primary in 14 years in May — giving President Donald Trump another key win on his revenge tour. In June, Rep. Julia Letlow, who had Trump's endorsement, secured the GOP nomination over state Treasurer John Fleming.

Key Dates

Filing Deadline: Dec 17, 2025

Primary Election: Apr 18, 2026

INCUMBENT

First Elected: Sign in to view

Last General Election: Sign in to view

Last Primary Election: Sign in to view

CANDIDATES

Democrats

Republicans

STATE DATA RACE ANALYSIS

STATE DATA

Louisiana

Population Breakdown

Source: United States Census

Past Presidential Results from this State

2024 Election Results

Source: The Cook Political Report

2020 Election Results

Source: The Cook Political Report

RACE ANALYSIS

Race Analysis

Updated: Jun 29, 2026

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