U.S. Congressional delegation and senate seat up for re-election
Each of Oklahoma's five Republican U.S. House members will have opponents in the general election in the fall of 2016.
Also on the ballot will be one of the state's two U.S. Senate seats, currently occupied by Sen. James Lankford. U.S. Sen. Jim Inhofe, R-Tulsa, is not up for re-election.
The primary election was held June 28. The general election is Nov. 8.