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Elections · U.S. House · Texas

2026 Texas House race, District 37

Greg Casar (Democrat) and Lauren Peña (Republican) are on the November 3, 2026 ballot for U.S. House in Texas District 37, as recorded September 21, 2026 from the Texas Secretary of State.

The November ballot

The seat

Lloyd Doggett

Democrat · Holds the seat now

First took office 1995 · Age 80

Not on the November ballot

See their record

How to vote in Texas

  • General electionNovember 3, 2026 

Register 30 days before the election.

All dates and rules
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How they won the primary

The primary · 131,169 votes

  • Greg Casar Won: 80.7% 105,917
  • Esther Fleharty: 19.3% 25,252

Primary source: Texas Secretary of State official Democratic primary results.

Primary results as recorded October 12, 2026, ordered by votes. A primary result is a recorded fact about a past contest, not a prediction of November.

The money on this race

Raised by candidates
$1.3M
Outside money
$38

Outside money, for and against

Supporting Casar$38
Opposing Casar-
Supporting Peña-
Opposing Peña-

Independent expenditures; direction is each filer's own declared filing.

Where each candidate's money comes from

23%$267KSmall donors$103K79%
53%$622KLarge donors$22K17%
21%$251KPACs--
--Party$5K4%
3%$33KOther--

Small donors give $200 or less; PACs are political action committees. Shares of each candidate's own receipts on file with the FEC. Outside money is not part of these figures.

Who is spending on this race

The largest group spending independently here, ranked; open a row for whose race the money went into.

Independent expenditures reported to the FEC; direction is each group's own declared filing.

Not on the November ballot

6 filed

Primary candidates who did not advance, committees still on file, and candidacies that ended. Being here is a filing fact, not a mark against anyone.

The district

Census context
People
774K
Median household income
$96K
Unemployment
4.4%
Living below the poverty line
10.9%
Without health insurance
10.9%

U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate. These figures describe the district as drawn before its lines changed for 2026; estimates for the new lines are not yet published.

How this seat voted last time

D+51 in 2024

  • Lloyd Doggett Won: 74.2%
  • Jenny Garcia Sharon: 23.6%

340,857 votes for candidates. Other candidates and write-ins took the remaining 2.2%. The district's lines have changed since this result. A past result is a filed fact, not a prediction of November.

Certified returns via MIT Election Data and Science Lab, from the House Clerk's election statistics and state canvasses.

More on the Texas ballot38 House races statewideTexas Senate raceWhere to see your full ballot Find your races by ZIP →

Candidates and financing from the FEC, public domain. Candidate totals are each campaign's latest FEC report, ending between June 30, 2026 and September 30, 2026. Outside money is the FEC's processed total of independent expenditures plus the 24- and 48-hour reports filed since each group's latest regular report. It covers this two-year cycle, the same as the candidate totals. Dataset built 2026-10-12. Nothing here is a forecast, a grade, or a ranking of candidates.