2012Final results
2012 election for Oklahoma House District 3
Oklahoma House of Representatives · Oklahoma
James H. Lockhart (D) won with 59.8% of the vote, defeating Roger Mattox (R) by 19.6 points.
James H. LockhartDemocrat · winner · incumbent
59.8%7,016
Roger MattoxRepublican
40.2%4,717
11,733 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