Munoz finished with nearly 67% of the vote and headed to become the new constable with no Republican challenger in the November election.
In other primary runoff races, Republican candidate Brian Walker won over Elizabeth Beach for Justice of the 2nd Court of Appeals, Place 7. The winner will also not face a challenger in the November election.
In the race for U.S. Senate, Mary "MJ" Hegar declared victory over challenger Royce West with 52% of the vote to win the Democratic Party nomination. She is expected to face Republican incumbent U.S. Sen. John Cornyn in November.
In the statewide race for railroad commissioner, Chrysta Castaneda won over challenger Roberto R. "Beto" Alonzo. The winner will face Republican candidate James Wright in November.
In addition, Candace Valenzuela finished ahead of Kim Olson in the race for U.S. State Representative of District 24, which includes portions of Dallas, Denton and Tarrant counties.
In November, the winner will face Republican candidate Beth Van Duyne and Libertarian candidate Darren Hamilton.
On the Republican Party ballot:
On the Democratic Party ballot: