Dione
Sims
Democratic nominee challenging Rep. Roger Williams in Texas's 25th Congressional District in November 2026
- sources
- 11
- positions
- 11
- endorsements
- 16
Background
Dione Sims is the Democratic nominee for Texas's 25th Congressional District in the November 2026 midterm election, challenging Republican incumbent Rep. Roger Williams. She won the March 2026 Democratic primary. [5, 10]
A Fort Worth native who has lived in Texas for 57 years, Sims holds a Bachelor of Business Administration in Information Systems Management from Texas Wesleyan University. She works as a software quality manager and is the founder and CEO of Unity Unlimited, Inc., a Fort Worth-based nonprofit she established in 2000 focused on unity, educational opportunity, and community understanding. [5, 11]
Sims has sought or held no prior elected office before her 2026 congressional run. Her campaign platform addresses issues including rural healthcare, Texas redistricting, and data center policy. [5, 3, 14]
Sims campaigns under the slogan "The Torch Lives On," a reference to the legacy of Texas icon Barbara Jordan. Her campaign has received coverage from local outlets including the Fort Worth Report and regional podcasts. [9, 23]
At a glance
- Party
- Democratic
- Running for
- U.S. House · District 25, Texas
- Election
- Nov 3, 2026
- Current office
- Founder and CEO of Unity Unlimited, Inc.
- Website
- dionesimsforcongress.com(opens in a new tab)
Where they stand
Each position links to the page it was drawn from. Quotes are verbatim.
Timeline
- Nov 3newsGeneral Election Day for Texas TX-25 race between Sims and Roger Williams
November 3, 2026 is the scheduled General Election Day in Texas, when Sims faces Republican incumbent Roger Williams in TX-25.
Election Guide 2026: Texas - KAGC · Oct 5, 2026 (opens in a new tab) - Oct 7newsFort Worth Report highlights Sims's TX-25 race as one of three redistricting-affected contests to watch
The Fort Worth Report noted that much of the former District 33 area in Tarrant County now falls within the redrawn District 25, affecting the race between Sims and Republican incumbent Roger Williams. The report also noted Sims's campaign finance filings were not available on the FEC website.
3 Fort Worth-area US House races affected by redistricting ... · Oct 7, 2026 (opens in a new tab) - Oct 4newsSims outlines top priorities in Fort Worth Report candidate questionnaire
In a candidate questionnaire published by the Fort Worth Report, Sims named affordability, health care and retirement, and freedom and civil liberties as her top priorities, pledging to raise wages, protect Medicare/Medicaid/Social Security, and defend voting rights and reproductive freedom.
Dione Sims, Democratic nominee for U.S. House District 25 · Oct 4, 2026 (opens in a new tab) - Sep 24pollNo public polls found for TX-25 race as of late September 2026
A candidate profile updated September 24, 2026 reported that no public polls of the TX-25 race between Sims and incumbent Roger Williams had been found as of September 25.
Dione Sims (D) — U.S. Representative, TX-25 | 2026 profile · Sep 24, 2026 (opens in a new tab) - Sep 15endorsementFormer Vice President Kamala Harris endorses Dione Sims for Congress
Sims's campaign endorsement page announced that former Vice President Kamala Harris was backing her campaign for TX-25. The page also features video endorsements from Beto O'Rourke and Talarico, though no dates are given for those.
Former Vice President Kamala Harris Endorses Dione Sims for ... · Sep 15, 2026 (opens in a new tab) - Aug 28filingTexas Secretary of State certifies Sims as general-election candidate for TX-25
A candidate profile reports that the Texas Secretary of State's November general-election candidate list certified Sims as a general-election candidate on this date.
Dione Sims (D) — U.S. Representative, TX-25 | 2026 profile · Sep 24, 2026 (opens in a new tab) - Mar 3newsDione Sims wins Democratic primary for TX-25 against William Marks
Sims defeated William Marks in the Democratic primary for Texas's 25th Congressional District, receiving approximately 60.5% of the vote, according to the Fort Worth Report and election-profile sources.
3 Fort Worth-area US House races affected by redistricting ... · Oct 7, 2026 (opens in a new tab)
Endorsements
- Beto O'Rourke otherFeatured in a video endorsement on Sims's campaign endorsement page; no date given. dionesimsforcongress.com
- Tarrant County Democratic Party organizationReported as backing Sims by LegalClarity citing Blue Voter Guide; no primary endorsement announcement found in available sources. legalclarity.org
- James Talarico otherFeatured in a video endorsement on Sims's campaign endorsement page; no date given. dionesimsforcongress.com
- Kamala Harris, former U.S. Vice President officialEndorsement announced by Sims's campaign on September 15, 2026. dionesimsforcongress.com · Sep 15, 2026
- Texas AFL-CIO Committee on Political Education (COPE) unionEndorsed Sims in its 2026 general-election pro-worker endorsements. texasaflcio.org · Jul 21, 2026
- Ann Zedah, former Fort Worth City Council Member officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Stephanie Boardingham, Mayor of Forest Hill officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Roy Brooks, former Tarrant County Commissioner officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Fort Worth Democratic Women organizationListed as an endorsing organization on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Tarrant County Young Democrats organizationListed as an endorsing organization on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Chris Nettles, Fort Worth City Council Member officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Progress Texas Institute organizationListed on Sims's campaign endorsement page with 'Certified Progressive 2026.' dionesimsforcongress.com · Jun 28, 2026
- Royce West, Texas State Senator for District 23 officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Marc Veasey, U.S. Representative for Texas' 33rd District officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Roderick Miles, Tarrant County Commissioner, Precinct 1 officialListed on Sims's campaign endorsement page. dionesimsforcongress.com · Jun 28, 2026
- Opal Lee, Juneteenth activist and Sims's grandmother otherEndorsed Sims at her campaign kickoff on January 10, 2026, urging attendees to help elect her, per the Fort Worth Report. fortworthreport.org · Jan 10, 2026
Campaign finance
Totals filed with the Federal Election Commission for the 2026 election cycle.
- Raised
- $0
- Spent
- $0
- Cash on hand
- $0
Reporting date not available. ↳ FEC record H6TX25237(opens in a new tab)
Sources 11
- [1] Compare TX-25 House candidates 2026 | Smarter.Vote(opens in a new tab) Oct 10, 2026
- [2] 3 Fort Worth-area US House races affected by redistricting ...(opens in a new tab) Oct 7, 2026
- [3] Election Guide 2026: Texas - KAGC(opens in a new tab) Oct 5, 2026
- [4] Dione Sims, Democratic nominee for U.S. House District 25(opens in a new tab) Oct 4, 2026
- [5] Dione Sims for Congress | Democrat for TX-25(opens in a new tab) Sep 25, 2026
- [6] Dione Sims (D) — U.S. Representative, TX-25 | 2026 profile(opens in a new tab) Sep 24, 2026
- [7] Former Vice President Kamala Harris Endorses Dione Sims for ...(opens in a new tab) Sep 15, 2026
- [8] Texas AFL-CIO COPE 2026 General Election Pro-Worker Endorsements(opens in a new tab) Jul 21, 2026
- [9] Texas District 25 Candidates: Williams vs. Sims(opens in a new tab) Jul 6, 2026
- [10] Democrat for TX-25 | The Torch Lives On - Dione Sims for Congress(opens in a new tab) Jun 28, 2026
- [11] Opal Lee's granddaughter enters under-the-radar U.S. House ...(opens in a new tab) Mar 1, 2026