The table below shows the total number and percentage of votes, as well as the number of seats gained and lost by each political party in the election for the United States House of Representatives in Arizona.

In addition, the voter turnout and the number of votes not valid are listed below.

Labor unions Organizations Newspapers Organizations Ron Barber Democratic Martha McSally Republican Democrat Ron Barber, who was elected to a full term in the House of Representatives in 2012, ran for re-election.

It is located primarily in Phoenix, and includes portions of Glendale and the town of Guadalupe.

[40] Pastor's retirement presented a "once- or twice-in-a-lifetime opportunity" for an open safe Democratic seat in Arizona and was predicted to set off a "free-for-all" in the primary that could "eclipse" the 10-candidate primary for retiring Congressman John Shadegg's seat in 2010.

Because of this and Arizona's "resign-to-run" law, political consultant Mario Diaz predicted a "domino effect, from federal (offices) all the way down to city (councils).