1980Final results
1980 election for Texas Senate District 20
Texas State Senate · Texas
Carlos Truan (D) won with 58.0% of the vote, defeating Marco Eugenio (R) by 16.0 points.
Carlos TruanDemocrat · winner · incumbent
58.0%72,611
Marco EugenioRepublican
42.0%52,587
125,198 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET