Race details
Texas U.S. Senate Republican Primary Runoff
Candidates
Odds last updated May 13th, 7:08 PM
Ken Paxton (R)
62% chance to win
Sitting attorney general framing the runoff as a choice between grassroots energy and a Washington career.
Vote totals pending
John Cornyn (R)
Incumbent
40% chance to win
Four-term senator and former whip; argues stability and seniority against an insurgent attorney general.
Vote totals pending
Why this race matters
This runoff decides the Republican nominee for one of the country’s most watched Senate races. John Cornyn, a four-term senator and former party whip, represents the traditional GOP establishment—deep ties in Washington, major fundraising, and a record of cutting deals. Ken Paxton, the sitting attorney general, has built a national profile by suing the Biden administration and aligning with the party’s populist wing. Neither cleared 50% on March 3, so Texas Republicans now choose between continuity and confrontation. The winner faces Democrat James Talarico in November; the nominee could also shape how competitive the general election looks and how national money flows into the state.
How this context is used
This runoff takes place in a large, diverse statewide electorate where coalition-building across metro and non-metro regions is usually decisive.
These indicators are educational context for understanding turnout environments and campaign strategy. They are not deterministic predictors of who will win.
Profile updated: March 27th
Demographic context
30.8M
Estimated population, July 1, 2024 (Census Bureau state estimates; rounded)
~5.8%
Growth April 1, 2020–July 1, 2024 (Census Bureau; rounded)
Texas’s recent population growth means campaigns must engage expanding metro and suburban voter pools while maintaining non-metro performance.
Why it matters: Where growth is concentrated can influence turnout operations and persuasion strategy.
Limitations: Population change does not directly translate into turnout or support for a specific candidate.
Source: State Population Totals and Components of Change (U.S. Census Bureau) · Vintage: 2020s population estimates
39.8%
Hispanic or Latino population share, July 1, 2023 estimate (QuickFacts)
83.7%
Population living in urban areas (2020 Census urban–rural)
Texas electorate composition is diverse, requiring multilingual and region-specific outreach in statewide races.
Why it matters: Statewide primary coalitions generally perform better when outreach reflects local demographic context.
Limitations: Demographics inform outreach strategy but do not determine vote behavior.
Source: Texas QuickFacts (U.S. Census Bureau) · Vintage: QuickFacts and ACS snapshots