Louisiana is a red state. Whether Louisiana is a red or blue state has a clear answer at every level of government: Republicans hold the governorship, supermajorities in both chambers of the state legislature, both U.S. Senate seats, four of six U.S. House seats, and a majority on the state supreme court. Donald Trump carried Louisiana by roughly 22 percentage points in 2024, his widest margin there across three campaigns, and the state has voted Republican in every presidential election since 2000.
Why the Voter Registration Numbers Look Misleading
One fact trips up people looking at Louisiana for the first time: more voters are registered as Democrats than as Republicans. As of late 2024, Democrats made up about 41% of registrants, Republicans about 37%, and nearly 20% were unaffiliated.
Those numbers don’t reflect how people actually vote. Many registered Democrats in Louisiana, especially white voters in rural parishes, consistently pull the lever for Republicans. The registration rolls carry decades of family tradition from the era when the South was solidly Democratic. Voting behavior moved; the paperwork didn’t.
Who Holds Power in Louisiana Right Now
Louisiana operates under a Republican trifecta. Governor Jeff Landry, a Republican, took office in January 2024. Republicans hold supermajorities in both the Louisiana House and the State Senate, giving them the votes to override vetoes and pass constitutional amendments without any Democratic support.
Federal Delegation
Both of Louisiana’s U.S. senators, Bill Cassidy and John Kennedy, are Republicans. In the U.S. House, four of the state’s six members are Republicans and two are Democrats. The second Democratic seat is new. A federal court ruled that Louisiana’s previous congressional map violated the Voting Rights Act by diluting Black voting power, and Landry signed a new map in January 2024 that created a second majority-Black district running from Caddo Parish to East Baton Rouge Parish. Democrat Cleo Fields won that seat.
The State Judiciary
Louisiana Supreme Court justices are elected in partisan races and serve 10-year terms. As of late 2025, the seven-member court included four Republicans, two Democrats, and one independent. Starting in 2026, judicial primaries move to a closed partisan format, so voters can only participate in the primary of the party they’re registered with.
How Louisiana Got Here
For most of the 20th century, Louisiana was a Democratic stronghold, part of the “Solid South” that dated to the end of Reconstruction. That dominance rested partly on the systematic disenfranchisement of Black voters, which kept the electorate small and conservative.
The Civil Rights Act of 1964 triggered a national realignment. Conservative white voters across the South began moving to the Republican Party, and Louisiana followed. David Treen became the state’s first Republican governor since Reconstruction when he took office in 1980.1Louisiana Secretary of State. David C. Treen The state then spent roughly two decades in genuine two-party competition, with Democrats occasionally winning the governor’s mansion even as Republicans gained ground federally. Since around 2015, that competition has effectively ended.
What Keeps Louisiana Red
Several forces reinforce the Republican advantage.
Religion and Cultural Conservatism
Louisiana is one of the most religious states in the country. Pew Research data puts Southern Christian identification at about 68%, and Louisiana sits above that regional average.2Pew Research Center. People in the South – Religious Landscape Study The religious landscape is unusual because it includes a large evangelical Protestant population in the northern half and a substantial conservative Catholic population in the southern, Cajun-influenced parishes. Both groups tend to vote Republican, particularly on social issues.
The Oil and Gas Economy
Louisiana’s economy has been tied to oil, gas, and petrochemicals for generations. The sector’s share of state GDP has shrunk from roughly one-quarter in 1999 to less than one-fifth by 2023, but the industry still shapes the politics. Energy-sector jobs cluster in rural and coastal parishes where Republican support already runs strongest, and proposals to regulate fossil fuels or shift toward renewables are widely read as threats to livelihoods.
Right-to-Work Status
Louisiana is a right-to-work state, meaning workers cannot be required to join or financially support a union as a condition of employment.3Louisiana State Legislature. Louisiana Revised Statutes 23:981 – Declaration of Public Policy Union membership sits below the national average, and that weakens one of the traditional organizational pillars of the Democratic Party. Without strong labor unions mobilizing voters and funding campaigns, Democrats face a structural disadvantage in statewide races.
The Closed Primary Shift
Louisiana was famous for decades for its “jungle primary,” an open system where every candidate appeared on a single ballot regardless of party, with the top two advancing to a runoff if nobody cleared 50%. In the 2024 and 2025 sessions, lawmakers moved congressional races and several statewide offices to a closed partisan primary, where each party runs its own primary and only registered members can participate.4Louisiana State Legislature. Louisiana Revised Statutes 18:410.7 – Party Candidates Who Qualify for a General Election Closed primaries tend to reward candidates who play to the base, which in a Republican-dominant state pushes winning candidates further to the right.
Where Louisiana Isn’t Red
The statewide label flattens real geographic variation. Louisiana’s political map is a contest between heavily Democratic cities and heavily Republican rural areas, with the rural areas winning through acreage and cumulative population.
New Orleans is the sharpest example. Kamala Harris carried Orleans Parish with 82% of the vote in 2024. Baton Rouge also leans Democratic, and both cities regularly elect Democratic mayors and local officials. These urban areas have large Black populations and younger, more diverse electorates that look nothing like the statewide average.
Rural areas and North Louisiana run the other direction. Many parishes outside the major cities gave Trump 70% or more of the vote in 2024. The divide tracks closely with racial demographics and population density, a pattern common across the South but especially sharp in Louisiana. Turnout compounds the effect: statewide turnout was about 66% in 2024, but Orleans Parish came in at 58.7%, well below the state average, while suburban Jefferson Parish reached nearly 65%. When Democratic-leaning areas turn out at lower rates, the red-state result becomes self-reinforcing.
The redrawn 6th Congressional District, ordered by the federal court and enacted in 2024, is the one recent counterweight. Stretching more than 200 miles from Caddo Parish to East Baton Rouge Parish, its Black population share rose to 54% from 23% under the old lines, and it produced the state’s second Democratic House seat. Even in a state this red, federal voting rights law can reshape representation.