Incumbent Republican Bradley Byrne, who had represented the district since 2013, ran for re-election. He was re-elected with 68% of the vote in 2014. The district had a PVI of R+15.
Incumbent Republican Martha Roby, who had represented the district since 2011, ran for re-election. She was re-elected with 67% of the vote in 2014. The district had a PVI of R+17.
Rob John had filed paperwork with the FEC to run as an Independent.[3] After Gerritson declared her candidacy, John announced that he was suspending his campaign and endorsing her.[4]
Incumbent Republican Mike Rogers, who had represented the district since 2003, ran for re-election. He was re-elected with 66% of the vote in 2014. The district had a PVI of R+16.
Incumbent Republican Robert Aderholt, who had represented the district since 1997, ran for re-election. He was re-elected unopposed in 2014. The district had a PVI of R+28.
Incumbent Republican Mo Brooks, who had represented the district since 2011, ran for re-election. He was re-elected with 74% of the vote in 2014. The district had a PVI of R+17.
Incumbent Republican Gary Palmer, who had represented the district since 2015, ran for re-election. He was elected with 76% of the vote in 2014. The district had a PVI of R+28
Incumbent Democrat Terri Sewell, who had represented the district since 2011, ran for re-election. She was re-elected without opposition in the general election in 2014. The district had a PVI of D+20.