2012 Oklahoma electionsThe Oklahoma state elections was held on Election Day, November 6, 2012 for a number of offices. The Presidential Preferential Primary Election was held on March 6, 2012, and the Primary Election was held on June 26, 2012.US RepresentativesAll five Oklahoma seats in the United States House of Representatives are up for election in 2012.Corporation CommissionerOne seat on the Oklahoma Corporation Commission is up for election in 2012.State legislatureSenate24 of the 48 seats in the Oklahoma Senate are up for election in 2012.House of RepresentativesAll 101 seats in the Oklahoma House of Representatives are up for election in 2012.JudicialThese races are "retention" votes based on Oklahoma's use of the Missouri Plan for electing judicial nominees.