Greg Casar, 2026 Texas 37th District House Democratic candidate
Greg Casar*
DEMOCRATIC
US House of Representatives (D-TX)
2023 – Present
Texas state flag

Texas37th District2026 HOUSE FORECAST

Lauren Peña, 2026 Texas 37th District House Republican candidate
Lauren Peña
REPUBLICAN
Paralegal

2026 Texas 37th District House Forecast:

Proprietary forecast for Texas's 37th congressional district House election between Democrat Greg Casar and Republican Lauren Peña. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share. This page also includes polling averages when available.

The 2026 Texas 37th District House election features Democrat Greg Casar and Republican Lauren Peña. Incumbent Representative Greg Casar is seeking reelection to a third term. In 2024, Donald Trump won Texas' 37th congressional district by 7.5%, and the election for the district's House seat is rated as solid Democratic in 2026. Texas conducted mid-decade redistricting prior to the midterms, and the state's new district map benefits Republicans overall.

Year
2026
Race
House
District
TX-37
Democratic candidate
Greg Casar
Republican candidate
Lauren Peña
Incumbent / open seat
Greg Casar
Forecast rating
Solid D
Projected vote
70.0% D / 30.0% R
Projected margin
D +40.0
Forecast odds
99.9% D / 0.1% R
Forecast last updated
12:00 AM on July 2, 2026
Polling average
Polling average margin
Polling last updated
Polls included
0
Latest poll