2012Final results
2012 election for Texas Senate District 21
Texas State Senate · Texas
Judith Zaffirini (D) won with 67.6% of the vote, defeating Grant Rostig (R) by 38.5 points.
Judith ZaffiriniDemocrat · winner · incumbent
67.6%129,894
Grant RostigRepublican
29.2%56,032
Joseph MorseLibertarian
3.2%6,147
192,073 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET