Incumbent Republican Jeff Flake , who has represented this district since 2001 , sought the Republican nomination for the U.S. Senate .
With the October 2011 redistricting , most of the 6th district became the 5th district and continued to favor Republicans .
Incumbent Republicans Jeff Flake , who has represented this district since 2001 , sought the Republicans nomination for the U.S. Senate .
With the October 2011 redistricting , most of the 6th district became the 5th district and continued to favor Republicans .