Elections

Louisiana 2026 Primary Election: Date, Rules & What to Know

The Louisiana 2026 congressional primary was held on May 16, 2026. General Election Day is November 3, 2026.

Source: Ballotpedia

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Term end dates, party breakdown, and which seats are on the November ballot.

General Election · November 3, 2026

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Quick Answer

Primary Date
May 16, 2026 (passed)
Runoff Date
June 27, 2026 (passed) If no candidate wins a majority (50%+1) in the party primary
Primary Type
Partisan Closed Primary
Senate Race in 2026
Yes — Class II seat (Bill Cassidy (R))
General Election
November 3, 2026

Louisiana U.S. Senate Primary — Results

Incumbent Sen. Bill Cassidy lost renomination, finishing third (24.8%) in the May 16 first round — the first elected incumbent senator to lose renomination since 2012. In the June 27 runoffs, Julia Letlow won the Republican nomination over John Fleming (56.9%–43.1%) and Jamie Davis won the Democratic nomination over Gary Crockett (79.9%–20.1%). (2026 is Louisiana’s first Senate race using party primaries instead of a single blanket primary since 2010.)

November nominees

Republican

Julia Letlow

Won primary · 56.9%

Democratic

Jamie Davis

Won primary · 79.9%

Each won their own party's primary and advance to November 3, 2026 in a single-winner (majority runoff possible) contest.

Verified July 16, 2026Source

What's on the Louisiana 2026 Ballot

U.S. House of Representatives

All U.S. House seats in Louisiana are on the 2026 ballot. Every House member runs for re-election every two years. View Louisiana representatives →

U.S. Senate — Class II Seat

Louisiana's Class II Senate seat is up for election in 2026. The current senator is Bill Cassidy (R). Class II senators were last elected in 2020 and serve six-year terms.

Louisiana's Primary System: Partisan Closed Primary

Louisiana holds a closed primary, meaning you must be registered with a political party to vote in that party's primary. Independent and unaffiliated voters cannot participate unless they re-register with a party before the registration deadline.

Louisiana 2026 Election Key Dates

May 16, 2026Primary Election (passed)
June 27, 2026Primary Runoff (passed) — if needed
October 2026Voter registration deadlines (check your state)
November 3, 2026General Election
January 3, 2027120th Congress convenes

Voter Registration in Louisiana

You must be registered with a political party to vote in that party's primary. Independent/unaffiliated voters cannot participate unless they re-register before the deadline. Registration deadlines vary — most states require registration 15–30 days before the primary, though some offer same-day registration.

Check your registration status and find your polling place at vote.gov.

See All State Primary Dates

Compare Louisiana's primary to other states' 2026 schedules.

Full Primary Calendar →

Sources

Frequently Asked Questions

Who won the Louisiana 2026 U.S. Senate primary?

Julia Letlow won the Republican nomination with 56.9% of the vote, and Jamie Davis won the Democratic nomination with 79.9%. They advance to the general election on November 3, 2026.

Who is running for U.S. Senate in Louisiana in November 2026?

The November 3, 2026 ballot features Julia Letlow (R) vs Jamie Davis (D) for Louisiana's U.S. Senate seat.

When is the Louisiana primary election in 2026?

The Louisiana 2026 congressional primary is May 16, 2026. If no candidate wins the required threshold, a runoff will be held on June 27, 2026. The general election is November 3, 2026.

Can I vote in the Louisiana primary if I'm not registered with a party?

You must be registered with a political party to vote in that party's primary. Independent/unaffiliated voters cannot participate unless they re-register before the deadline.

What is on the Louisiana 2026 primary ballot?

All U.S. House seats in Louisiana are on the 2026 primary ballot. Additionally, the U.S. Senate seat (Class II) is up for election. The current senator is Bill Cassidy (R). Many states also hold primaries for governor and state legislature on the same day.

What type of primary does Louisiana use?

Louisiana holds a closed primary, meaning you must be registered with a political party to vote in that party's primary. Independent and unaffiliated voters cannot participate unless they re-register with a party before the registration deadline.

When is the Louisiana voter registration deadline for the 2026 primary?

Voter registration deadlines vary but are typically 15–30 days before the primary. Because Louisiana has a closed primary, you must also be registered with a party before the deadline to vote in a party primary. Check the Louisiana Secretary of State website or vote.gov for the exact deadline.

When is the Louisiana general election in 2026?

The 2026 general election is on Tuesday, November 3, 2026. This date is the same for all 50 states — it is always the first Tuesday after the first Monday in November in even-numbered years.

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