Texas voters are heading back to the polls Tuesday for a dramatic close to one of the most combative and closely watched primary seasons in recent state history. Across the state, Republicans and Democrats are settling unfinished business from the March primaries, when several races failed to produce outright winners and triggered runoff elections.
At the center of the political storm is the Republican Senate runoff between John Cornyn and Ken Paxton, a contest that has exposed deep divisions inside the Texas GOP and become a proxy battle over the future direction of conservative politics in the state. But voters are also deciding major down-ballot races, including the battle to replace Paxton as attorney general and a surprisingly volatile contest for a seat on the powerful Texas Railroad Commission.
The outcomes could shape not only the state’s political leadership for years to come, but also influence the broader national conservative movement heading into the 2026 midterms.
Senate showdown dominates the spotlight
The marquee contest of the runoff season is the Republican fight for Texas’ U.S. Senate seat, where Cornyn and Paxton have spent more than a year attacking one another over ideology, loyalty, electability and personal conduct.
Cornyn, a longtime fixture in Texas Republican politics and a four-term senator, entered the cycle as the establishment favorite. His allies viewed him as a seasoned legislator with deep ties to Senate leadership and national donors. But Paxton transformed the race into a referendum on the Republican establishment itself, positioning himself as an insurgent aligned with the populist wing of the party.
The contest intensified after neither candidate secured a majority in the March primary, forcing a runoff under Texas election law. Since then, the campaign has become increasingly bitter and extraordinarily expensive, with combined ad spending soaring past nine figures.
A major turning point came in the final stretch when President Donald Trump endorsed Paxton. Trump had delayed making a decision for months despite pressure from Republican operatives and elected officials. His eventual endorsement gave Paxton additional momentum among conservative grassroots voters who already viewed the attorney general as closely aligned with the MAGA movement.
Paxton has campaigned as a combative conservative outsider willing to challenge Republican leadership in Washington. He has portrayed Cornyn as insufficiently aligned with Trump-era conservatism and too connected to traditional party power structures.
Cornyn, meanwhile, has argued that his experience and legislative record make him the stronger candidate for Republicans in November. He has warned that internal party divisions could weaken GOP dominance in Texas if Republicans nominate a candidate viewed as too polarizing.
The runoff has also underscored the growing ideological divide within the Texas Republican Party. Establishment conservatives, business interests and longtime institutional figures have largely gravitated toward Cornyn, while Paxton has drawn support from hardline conservatives, anti-establishment activists and many pro-Trump voters.
Whoever emerges victorious Tuesday will advance to face Democratic nominee James Talarico in the general election. Talarico, an Austin-area state representative, has built a strong fundraising network and emerged as one of the Democratic Party’s most visible statewide figures.
Although Republicans remain favored statewide, Democrats see the intensity of the GOP infighting as a possible opportunity to energize their own base heading into November.
Battle to replace Texas’ attorney general
Another high-profile showdown centers on the race to succeed Paxton as attorney general, a position that has become one of the most influential legal offices in conservative politics nationwide.
Under Paxton, the office aggressively pursued lawsuits challenging federal policies, especially during Democratic administrations, and frequently joined multistate conservative legal efforts. The office’s national prominence has turned the Republican runoff into a contest over who will carry that strategy forward.
On the GOP side, Mayes Middleton faces Chip Roy after neither candidate won an outright majority in March.
Middleton has leaned heavily into pro-Trump messaging and conservative branding throughout the campaign. The Galveston-area state senator invested heavily in the race using substantial personal wealth, flooding the airwaves with ads emphasizing his support for conservative priorities and his ties to the MAGA movement.
He has also benefited from support among influential Republican leaders in Texas, including backing from high-ranking state officials who see him as a reliable ideological ally.
Roy, however, has attempted to contrast his legal credentials with Middleton’s business background. A former federal prosecutor and former senior official in the Texas attorney general’s office, Roy has argued that his courtroom and legal experience make him better suited to lead the agency.
The contest has become increasingly contentious as outside money poured into the race during the final weeks. Wealthy conservative donors and political action committees have treated the runoff as a major ideological fight over the future of one of the country’s most aggressive Republican-led legal operations.
Democrats are also holding a runoff for the office. Nathan Johnson is facing former Galveston mayor Joe Jaworski after Johnson narrowly missed securing an outright majority in the primary.
Both Democratic candidates have framed their campaigns around restoring what they describe as the traditional legal and administrative role of the attorney general’s office. They have criticized the office’s increasingly partisan profile under Paxton and signaled support for legal challenges against Trump administration policies.
Still, Republicans remain heavily favored to retain the office in November given the state’s current political landscape.
Railroad Commission race becomes ideological battleground
One of the most unexpected developments of the runoff season has been the explosion of interest in the race for the Railroad Commission of Texas.
Historically, Railroad Commission races attract limited public attention despite the agency’s enormous influence over the Texas energy industry. But this year’s Republican runoff has become a major test of the GOP’s ideological direction.
Incumbent commissioner Jim Wright is facing challenger Bo French in a race that has drawn millions of dollars from powerful conservative donors and major Republican figures.
French has built a reputation as a hard-right activist known for inflammatory rhetoric and controversial public statements. His campaign has received support from some of the state’s most influential ultra-conservative donors, highlighting the growing strength of Texas’ far-right political network.
At the same time, his candidacy has generated concern among some Republican strategists who worry that nominating a polarizing figure for statewide office could create vulnerabilities in the general election.
Wright has countered with endorsements from major Republican officeholders, including top statewide leaders who argue that the Railroad Commission should remain focused on energy regulation rather than cultural and ideological battles.
The incumbent has also benefited from support by major business and donor networks connected to the traditional Republican establishment.
The race illustrates a broader struggle unfolding within Texas conservatism. Increasingly, GOP primaries are becoming contests between establishment conservatives focused on governance and activists pushing a more confrontational, movement-driven style of politics.
Tuesday’s results could offer one of the clearest signals yet about which faction currently holds the upper hand within the Texas Republican electorate.
The winner will move on to face Democratic nominee Jon Rosenthal in November.
A defining night for Texas politics
As polls close Tuesday evening, political observers across the country will be watching Texas closely. The state remains a Republican stronghold, but the battles unfolding inside the GOP are becoming increasingly intense and ideologically charged.
The Senate runoff, in particular, represents more than a clash between two prominent Republicans. It reflects a larger national debate over whether the Republican Party’s future belongs to longtime institutional conservatives or candidates more closely tied to President Trump-style populism.
The attorney general and Railroad Commission races carry similar implications, especially as conservative legal activism and energy policy remain central to Republican politics nationwide.
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