Each of the Republican incumbents up for re-election drew one Republican primary challenger. Only one Democrat filed for a place on the ballot in each commissioners court race, and they will advance to the Nov. 8 general election. The filing period closed on Dec. 13 at 6 p.m.
Early voting for the March 1 primary will take place from Feb. 14-25. Voters have until Jan. 31 to register to vote.
Commissioners approved recently redrawn precinct maps in November, a process required following each decennial census. According to data from the U.S. Census Bureau, Williamson County grew 44% from 2010 to 609,017 residents in 2020.
Below is a list of candidates for Williamson County Commissioners Court. For more election information, visit the Texas Secretary of State's website.
* Indicates incumbent
County judge
- Ryan Gallagher (R)
- Bill Gravell* (R)
- Blane Conklin (D)
- J.T. Cox (R)
- Cynthia Long* (R)
- Brigid Lester (D)
- Russel Boles* (R)
- Terri Romere (R)
- Jose Orta (D)