2024Final results
2024 election for Texas Senate District 15
Texas State Senate · Texas
Cook (D) won with 61.9% of the vote, defeating Trahan (R) by 23.8 points.
CookDemocrat · winner
61.9%200,680
TrahanRepublican
38.1%123,515
324,195 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET