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Adam Hinojosa has defeated state Sen. Morgan LaMantia in South Texas, tightening Republicans’ hold on the Texas Senate by winning a Senate district in the Rio Grande Valley for the first time since Reconstruction.

Hinojosa’s win in Senate District 27 flips the only competitive seat in the Texas Senate this cycle, besting LaMantia two years after he came within 659 votes of defeating the Palm Valley Democrat in their first bout.

Hinojosa declared victory just before midnight, fleshing out a night of Republican gains — and holds — in South Texas.

“The election results in our district are nothing short of historic,” Hinojosa said in a statement. “Our campaign has changed the balance of power in South Texas and the Rio Grande Valley.”

LaMantia thanked her supporters in a statement Wednesday afternoon, shortly before The Associated Press called the race for Hinojosa.

“We fought hard, and while voters have chosen a different path, our vision endures,” LaMantia said. “This outcome will shape our region, but my faith remains in the strength, resilience and heart of District 27 to keep pushing for the progress we deserve.”

Hinojosa will be the first Republican to represent any part of the Rio Grande Valley in the Texas Senate since 1874.

The win is also a victory for Lt. Gov. Dan Patrick, the Republican who has presided over the Senate for a decade and has shaped the chamber’s composition and role as a conservative force.

“His election is historic and ushers in a new era of Republican representation in South Texas and in the Valley,” Patrick said in a statement welcoming Hinojosa to the Senate.

Hinojosa, an entrepreneur with several small businesses, campaigned on the economy, border security and “stopping the sexualization of our children.” Despite Democrats considering abortion a winning issue for them, Hinojosa embraced being “100% pro-life.”

“The people of this district have rejected the woke absurdity of the left — open borders, boys playing girls sports, sex change operations and fiscal insanity,” Hinojosa said in his victory statement.

LaMantia beat Hinojosa in 2022 to succeed state Sen. Eddie Lucio Jr., a conservative Democrat from Brownsville who established himself as a bipartisan defender of the Rio Grande Valley during his more than 30 years in the Senate.

Lucio, an anti-abortion Democrat, endorsed LaMantia during that year’s Democratic primary but endorsed Hinojosa last month, citing his alignment with Hinojosa on abortion issues. His son, former state Rep. Eddie Lucio III, a more progressive Democrat, endorsed LaMantia.

Hinojosa’s victory also marks the first time since the 1970s that Brownsville and Cameron County have been represented by a senator hailing from Corpus Christi.

SD 27 spans the South Texas Gulf Coast from Brownsville to Corpus Christi, extending from San Patricio County to the southern border in Cameron County and part of Hidalgo County.

Democrats have historically controlled the Rio Grande Valley, but redistricting made SD 27 less safe for Democrats in 2022, changing it from a district that President Joe Biden won by 16 percentage points to one he would have carried by 6 points in 2020. LaMantia scored a two-year term last year during a lot-drawing necessitated by the recent redistricting.

Hispanic voters have been increasingly voting for Republicans, a trend the party tried to capitalize on in 2022. Early indications from the 2024 election show that former President Donald Trump grew his support among Latinos.

Hinojosa received broad support among Republicans and Republican groups. Trump endorsed him, as did Gov. Greg Abbott, U.S. Sen. Ted Cruz and U.S. Sen. Mike Lee of Utah. Texans for Lawsuit Reform, a tort reform group and a top donor in Texas Republican politics, was the top contributor to his campaign, giving at least $600,000 since August. Texans United for a Conservative Majority, the PAC primarily funded by far-right West Texas billionaires Tim Dunn and Farris Wilks, contributed at least $463,000.

Earlier this year, Patrick launched the Texas Senate Leadership Fund, a PAC formed “in order to ensure the resources to support the mission of the conservative majority in the Texas Senate.” The PAC spent at least $300,000 supporting Hinojosa beginning in late October.

Hinojosa, who was endorsed by Trump and U.S. Sen. Ted Cruz, accused LaMantia of supporting “overreaching regulations” on the oil and gas industry. And in a rare move for Republicans this cycle, he embraced the abortion conversation, first with Lucio’s endorsement and later highlighting legislation LaMantia authored regarding funding for women’s health services.

Voting FAQ: 2024 Elections

When is the next election? What dates do I need to know?

Election Day for the general election is November 5, and early voting will run from Oct. 21 to Nov. 1. The deadline to register to vote and/or change your voter registration address is Oct. 7. Applications to vote by mail must be received by your county of residence – not postmarked – by Oct. 25.

What’s on the ballot for the general election?

In addition to the president, eligible Texans have the opportunity to cast their ballots for many Texas officials running for office at the federal, state and local levels.
This includes representatives in the U.S. and Texas houses and the following elected offices:
-1 U.S Senator (Ted Cruz)
– 1 of 3 Railroad Commissioners
– 15 State Senators
– 7 State Board of Education members
– 3 members of the Texas Supreme Court
– 3 members of the Texas Court of Criminal Appeals
– 5 Chief Justices and various justices for Texas Courts of Appeals

Lower-level judges and local county offices will also appear on the ballot:
– Various district judges, including on criminal and family courts
– County Courts at Law
– Justices of the Peace
– District Attorneys
– County Attorneys
– Sheriffs
– Constables
– Tax Assessor-Collectors

How do I make sure I’m registered to vote?

You can check to see if you’re registered and verify your information through the Texas Secretary of State’s website. You’ll need one of the following three combinations to log in: Your Texas driver’s license number and date of birth. Your first and last names, date of birth and county you reside in. Your date of birth and Voter Unique Identifier, which appears on your voter registration certificate.

What if I missed the voter registration deadline?

You must be registered to vote in a Texas county by Oct. 7 to vote in the Nov. 5 presidential election. You can still register for other elections.
If you’re registered but didn’t update your address by the deadline, you may still be able to vote at your previous voting location or on a limited ballot. (Voters are typically assigned precincts based on where they live. In most major counties, voters can vote anywhere on Election Day, but some counties require you vote within your precinct. If that is the case, you may have to return to your previous precinct. See which counties allow countywide Election Day voting here. You can usually find your precinct listed on your voter registration certificate or on when checking your registration online.)
If you moved from one county to another, you may be able to vote on a ballot limited to the elections you would qualify to vote in at both locations, such as statewide races. However, limited ballots are only available during early voting. Find your county election official here and contact them to ask about or request a limited ballot.

What can I do if I have questions about voting?

You can contact your county elections official or call the Texas Secretary of State’s helpline at 1-800-252-VOTE (8683). A coalition of voting rights groups is also helping voters navigate election concerns through the 866-OUR-VOTE (687-8683) voter-protection helpline. The coalition also has hotlines available for voters who speaker other languages or have accessibility needs.
For help in Spanish, call 888-VE-Y-VOTA or 888-839-8682.
For help in Asian languages, call 888-API-VOTE or 888-274-8683.
For help in Arabic, call 888-YALLA-US or 888-925-5287.
For help in American Sign Language through a video, call 301-818-VOTE or 301-818-8683.
For help from Disability Rights Texas, call 888-796-VOTE or 888-796-8683.

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Renzo Downey is the lead writer of The Blast, The Texas Tribune’s premium politics newsletter. Prior to joining the Tribune in February 2023, he worked as a state government and politics reporter and...