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 on Saturday night — giving President Donald Trump another key win on his revenge tour.

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: May 17, 2026

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