2020Final results
2020 election for Texas Senate District 18
Texas State Senate · Texas
Lois Kolkhorst (R) won with 65.8% of the vote, defeating Michael Antalan (D) by 31.6 points.
Lois KolkhorstRepublican · winner · incumbent
65.8%277,834
Michael AntalanDemocrat
34.2%144,455
422,289 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET