Maria Diaz

This page was current at the end of the individual's last campaign covered by Ballotpedia. Please contact us with any updates.

Maria Diaz

Democratic Party

Elections and appointments

Last election

March 3, 2026

Maria Diaz (Democratic Party) (also known as Dinorah) ran for election for judge of the Texas 45th District Court. Diaz lost in the Democratic primary on March 3, 2026.

Elections

2026

See also: Municipal elections in Bexar County, Texas (2026)

General election

The general election will occur on November 3, 2026.

The candidate list in this election may not be complete.

General election for Texas 45th District Court

Incumbent Mary Lou Alvarez (D) is running in the general election for Texas 45th District Court on November 3, 2026.

		Candidate
		Mary Lou Alvarez (D)

---

	Incumbents are bolded and underlined.
= 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.
Do you want a spreadsheet of this type of data? Contact our sales team.

Democratic primary

The candidate list in this election may not be complete.

Democratic primary for Texas 45th District Court

Incumbent Mary Lou Alvarez (D) defeated Maria Diaz (D) in the Democratic primary for Texas 45th District Court on March 3, 2026.

		Candidate	%	Votes
✔		Mary Lou Alvarez	65.6	99,083
	Submit photo	Maria Diaz	34.4	51,960

---

	Incumbents are bolded and underlined. Source	Total votes: 151,043
= 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.
Do you want a spreadsheet of this type of data? Contact our sales team.

Republican primary

The Republican primary scheduled for March 3, 2026, was canceled.

Endorsements

Ballotpedia is gathering information about candidate endorsements. To send us an endorsement, click here.

2022

See also: Municipal elections in Bexar County, Texas (2022)

General election

General election for Texas 45th District Court

Incumbent Mary Lou Alvarez defeated Patricia Jay in the general election for Texas 45th District Court on November 8, 2022.

		Candidate	%	Votes
✔		Mary Lou Alvarez (D)	56.5	294,087
		Patricia Jay (R)	43.5	226,797

---

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 520,884
= 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.
Do you want a spreadsheet of this type of data? Contact our sales team.

Democratic primary election

Democratic primary for Texas 45th District Court

Incumbent Mary Lou Alvarez defeated Maria Diaz in the Democratic primary for Texas 45th District Court on March 1, 2022.

		Candidate	%	Votes
✔		Mary Lou Alvarez	68.1	58,805
	Submit photo	Maria Diaz	31.9	27,596

---

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 86,401
= 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.
Do you want a spreadsheet of this type of data? Contact our sales team.

Republican primary election

Republican primary for Texas 45th District Court

Patricia Jay advanced from the Republican primary for Texas 45th District Court on March 1, 2022.

		Candidate	%	Votes
✔		Patricia Jay	100.0	66,008

---

	There were no incumbents in this race. The results have been certified. Source	Total votes: 66,008
= 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.
Do you want a spreadsheet of this type of data? Contact our sales team.

2010

Diaz was defeated by incumbent Raymond Angelini in the general election.

See also: Texas district court judicial elections, 2010

Campaign themes

2026

Ballotpedia survey responses

See also: Ballotpedia's Candidate Connection

Maria Diaz did not complete Ballotpedia's 2026 Candidate Connection survey.

2022

Maria Diaz did not complete Ballotpedia's 2022 Candidate Connection survey.

See also

2026 Elections

What's on the ballot? U.S. Congress U.S. Congress special elections State executives State legislatures State courts Ballot measures Municipal government School boards Election analysis hub

Government

Who represents me? U.S. Congress State executives State legislators State courts Ballot measures Municipal government School boards

Newsletters

The Daily Brew The Weekly Brew The Ballot Bulletin Checks and Balances Economy and Society Hall Pass Number of the Day Robe & Gavel Union Station

External links

Search Google News for this topic

Footnotes

Texas courts

---

Federal courts:

Fifth Circuit Court of Appeals • U.S. District Court: Eastern District of Texas, Western District of Texas, Northern District of Texas, Southern District of Texas • U.S. Bankruptcy Court: Eastern District of Texas, Western District of Texas, Northern District of Texas, Southern District of Texas

State courts:

Texas Supreme Court • Texas Court of Appeals • Texas Court of Criminal Appeals • Texas District Courts • Texas County Courts • Texas County Courts at Law • Texas Statutory Probate Courts • Texas Justice of the Peace Courts

State resources:

Courts in Texas • Texas judicial elections • Judicial selection in Texas