The 2nd district is located in Green Country and Kiamichi Country and includes the city ofMuskogee and numerous sparsely populated counties. The incumbent is Republican Markwayne Mullin, who has represented the district since 2013. He was elected with 70% of the vote in 2014. The district has a PVI of R+20.
Republican primary
Candidates
Declared
Jarrin Jackson
Markwayne Mullin, incumbent U.S. Representative
Results
Democratic primary
Candidates
Declared
Joshua Harris-Till, the Democratic nominee for the seat in 2014.
The 3rd district is located in Western Oklahoma. The largest district in Oklahoma and one of the largest in the country, it includes the Oklahoma Panhandle, Ponca City and the city of Stillwater as well as the Osage Nation. The incumbent is Republican Frank Lucas, who has represented the district since 2003 and previously represented the 6th district from 1994 to 2003. He was re-elected with 78% of the vote in 2014 and the district has a PVI of R+26. Republican Frank Lucas ran unopposed in the Republican primary. Democrat Frankie Robbins, an engineer and United States Forest Service employee who was a candidate for the seat in 2014 and the nominee for the seat in 2008, 2010 and 2012 is the only other candidate running.
Republican primary
Candidates
Declared
Desiree Brown
Frank Lucas, incumbent U.S. Representative
Results
General election
Results
District 4
The 4th district is located in South Central Oklahoma and includes Canadian, Comanche and Cleveland counties as well as numerous other sparsely populated counties. The incumbent is Republican Tom Cole, who has represented the district since 2003. He was re-elected with 70% of the vote in 2014 and the district has a PVI of R+19.
Republican primary
Candidates
Declared
Tom Cole ran unopposed in the Republican primary.
Bert Smith, the Democratic nominee for the seat in 2014.
Results
Democratic primary
Candidates
Declared
Christina Owen
Bert Smith, the Democratic nominee for the seat in 2014.
Results
General election
Results
District 5
The 5th district is located in Central Oklahoma and includes Oklahoma, Pottawatomie and Seminole counties. The incumbent in 2016 was Republican Steve Russell, who had represented the district since 2014. He was elected with 60% of the vote in 2014 after having defeated five Republican candidates in the primary and Republican Patrice Douglas again in the Republican primary runoff with 59% of the vote. The district had a PVI of R+12.
Republican primary
Candidates
Declared
Steve Russell ran unopposed in the Republican primary.
