1986Final results
1986 election for Texas House District 21
Texas House of Representatives · Texas
Mark Stiles (D) won with 62.8% of the vote, defeating H. E. Coussou (R) by 25.7 points.
Mark StilesDemocrat · winner · incumbent
62.8%16,228
H. E. CoussouRepublican
37.2%9,598
25,826 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET