1986Final results
1986 Democratic primary for Texas House District 21
Texas House of Representatives · Texas
Mark Stiles (D) won with 51.9% of the vote, defeating Zeb D. Zbranek (D) by 3.8 points.
Mark StilesDemocrat · winner · incumbent
51.9%9,304
Zeb D. ZbranekDemocrat
48.1%8,620
17,924 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET