Rep. Markwayne Mullin defeated Democrat Rob Wallace in a bid for the 2nd District seat left open by the state's last-remaining Democratic House member, Rep. Dan Boren, The Oklahoman reported Tuesday.
Rep. Jim Bridenstine, a tea-party favorite, won the 1st District seat, defeating Democrat John Olson and Independent Craig Allen.
Meanwhile, state Republicans earned a record-high number of legislators in the Oklahoma House, with a 71-30 majority over Democrats, The Oklahoman reported. Of the 34 contested seats in Tuesday's election, 24 were won by Republicans, based on unofficial returns.
Oklahoma voters showed strong support for the six questions on Tuesday's ballot, including a measure allowing the sale of single servings of liquor on Sundays. The measure passed 15,436 to 9,695.