2020Final results
2020 election for Texas Senate District 21
Texas State Senate · Texas
Judith Zaffirini (D) won with 60.1% of the vote, defeating Frank Pomeroy (R) by 20.3 points.
Judith ZaffiriniDemocrat · winner · incumbent
60.1%167,669
Frank PomeroyRepublican
39.9%111,129
278,798 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