Race details
Texas U.S. Senate Republican Primary Runoff
Candidates
Ken Paxton (R)
Sitting attorney general; closed with a landslide after Trump's endorsement and a smaller, more ideological runoff electorate.
886,010 votes · 63.84%
John Cornyn (R)
Incumbent
Four-term senator and former whip; first Texas incumbent senator to lose renomination since 1970.
501,757 votes · 36.16%
Why this race matters
Attorney General Ken Paxton defeated four-term incumbent John Cornyn in the May 26 Republican runoff after President Donald Trump's late endorsement, becoming the first Texas senator to lose a primary since 1970. Paxton's win remakes the GOP ticket for November against Democrat James Talarico. Vote totals are AP's count via NPR (~99% of precincts).
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