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Texas' 25th Congressional District election, 2026 (March 3 Democratic primary)
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| Texas' 25th Congressional District |
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| Democratic primary Republican primary General election |
| Election details |
| Filing deadline: December 8, 2025 |
| Primary: March 3, 2026 Primary runoff: May 26, 2026 General: November 3, 2026 |
| How to vote |
| Poll times:
7 a.m. to 7 p.m. |
| Race ratings |
DDHQ and The Hill: Pending Inside Elections: Solid Republican Sabato's Crystal Ball: Safe Republican |
| Ballotpedia analysis |
| U.S. Senate battlegrounds U.S. House battlegrounds Federal and state primary competitiveness Ballotpedia's Election Analysis Hub, 2026 |
| See also |
U.S. Senate • 1st • 2nd • 3rd • 4th • 5th • 6th • 7th • 8th • 9th • 10th • 11th • 12th • 13th • 14th • 15th • 16th • 17th • 18th • 19th • 20th • 21st • 22nd • 23rd • 24th • 25th • 26th • 27th • 28th • 29th • 30th • 31st • 32nd • 33rd • 34th • 35th • 36th • 37th • 38th Texas elections, 2026 U.S. Congress elections, 2026 U.S. Senate elections, 2026 U.S. House elections, 2026 |
A Democratic Party primary takes place on March 3, 2026, in Texas' 25th Congressional District to determine which Democratic candidate will run in the district's general election on November 3, 2026.
| Candidate filing deadline | Primary election | General election |
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A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election. Texas utilizes an open primary system. Voters do not have to register with a party in advance in order to participate in that party's primary. The voter must sign a pledge stating the following (the language below is taken directly from state statutes)[1]
| “ | The following pledge shall be placed on the primary election ballot above the listing of candidates' names: 'I am a (insert appropriate political party) and understand that I am ineligible to vote or participate in another political party's primary election or convention during this voting year.'[2] | ” |
For information about which offices are nominated via primary election, see this article.
This page focuses on Texas' 25th Congressional District Democratic primary. For more in-depth information on the district's Republican primary and the general election, see the following pages:
- Texas' 25th Congressional District election, 2026 (March 3 Republican primary)
- Texas' 25th Congressional District election, 2026
Candidates and election results
Note: The following list includes official candidates only. Ballotpedia defines official candidates as people who:
- Register with a federal or state campaign finance agency before the candidate filing deadline
- Appear on candidate lists released by government election agencies
Democratic primary election
Democratic primary for U.S. House Texas District 25
William Marks and Stephen O'Toole are running in the Democratic primary for U.S. House Texas District 25 on March 3, 2026.
Candidate | ||
 | William Marks  | |
| Stephen O'Toole | ||
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| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Candidate profiles
This section includes candidate profiles that may be created in one of two ways: either the candidate completed Ballotpedia's Candidate Connection survey, or Ballotpedia staff may compile a profile based on campaign websites, advertisements, and public statements after identifying the candidate as noteworthy. For more on how we select candidates to include, click here.
Party: Democratic Party
Incumbent: No
Political Office: None
Submitted Biography: "William and his family moved to Texas in 2023 after a 22-year career in the military and 6-year career at Meta. Marks is a combat veteran, six time Navy communications award winner, and U.S. Atlantic Fleet Destroyer Squadron 24 Shiphandler of the Year. He and his family live in Arlington. In 2025 Marks founded Operation Caged Bird and raised more than $70,000 to provide banned books to students at the U.S. Naval Academy. For his efforts he was awarded the Courage Project Award. Before moving to Texas Marks joined Meta (then Facebook) as Community Development Manager for the Western U.S. He awarded more than $10 million in donations to hundreds of schools, small businesses, and nonprofits. Marks graduated from the U.S. Naval Academy in Annapolis, Md. in 1996 and retired from active-duty in 2018 as a commander. Marks was elected to the Amsterdam High School Hall of Fame in 2021. In his final military assignment, Marks was the senior spokesperson for DoD intelligence issues, leading media engagement and special projects for the Vice President and Ambassador Nikki Haley. In this role, he held a Top Secret / SCI security clearance. Marks was Chief of Media for the U.S. Navy from 2015-2016, directing the Navy’s engagement with national and international journalists, including crisis communications during an international hostage situation, a mass shooting, and roll out of the Navy’s $160 billion budget proposal."
Do you have a photo that could go here? Click here to submit it for this profile!
Party: Democratic Party
Incumbent: No
Political Office: None
Submitted Biography: "I’m Stephen O’Toole, a Navy veteran, working-class Texan, and political newcomer running for Congress in TX-25. I enlisted in Navy Intelligence at seventeen because I believed in service, in duty, and in doing my part. I still believe in those things. But I’ve watched the same people who talk about patriotism and leadership turn their backs on the very folks they’re supposed to serve. I’ve seen broken systems left to rot while working families are told to wait their turn. I’ve seen politicians cash in while people back home struggle to pay rent or afford insulin. That’s what pushed me to run. I’m not here to build a career or climb a ladder. I’m not backed by PACs or political machines. I’m someone who’s lived the reality of paycheck-to-paycheck life. I’ve felt the stress, the exhaustion, and the quiet anger of knowing the system is rigged to keep people like us down. I’m not okay with that and I’m done waiting for someone else to fix it. I don’t claim to have all the answers, but I know how to fight. I know how to listen. And I know what it means to tell the truth, even when it’s hard. This campaign isn’t about party lines or polished slogans. It’s about stepping up when the people in power won’t. It’s about making government work for the rest of us again. If you’re tired of being ignored, if you’re sick of watching politicians serve donors while your family gets left behind, then stand with me. I won’t sell you out. I won’t play the game. I’ll fight for the people"
Voting information
- See also: Voting in Texas
Ballotpedia will publish the dates and deadlines related to this election as they are made available.
Campaign finance
| Name | Party | Receipts* | Disbursements** | Cash on hand | Date |
|---|---|---|---|---|---|
| William Marks | Democratic Party | $28,842 | $5,299 | $23,543 | As of June 30, 2025 |
| Stephen O'Toole | Democratic Party | $0 | $320 | $214 | As of June 30, 2025 |
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Source: Federal Elections Commission, "Campaign finance data," 2026. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).
* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee." |
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District analysis
This section will contain facts and figures related to this district's elections when those are available.
Ballot access
This section will contain information on ballot access related to this state's elections when it is available.
See also
- Texas' 25th Congressional District election, 2026 (March 3 Republican primary)
- Texas' 25th Congressional District election, 2026
- United States House elections in Texas, 2026 (March 3 Democratic primaries)
- United States House elections in Texas, 2026 (March 3 Republican primaries)
- United States House Democratic Party primaries, 2026
- United States House Republican Party primaries, 2026
- United States House of Representatives elections, 2026
- U.S. House battlegrounds, 2026
External links
Footnotes
- ↑ Texas Statutes, "Section 172.086," accessed October 7, 2024
- ↑ Note: This text is quoted verbatim from the original source. Any inconsistencies are attributable to the original source.
