2012Final results
2012 election for Texas House District 31
Texas House of Representatives · Texas
Ryan Guillen (D) won with 66.3% of the vote, defeating Ann Matthews (R) by 32.6 points.
Ryan GuillenDemocrat · winner · incumbent
66.3%27,856
Ann MatthewsRepublican
33.7%14,163
42,019 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