2012Final results
2012 election for Arizona's 2nd District
U.S. House · Arizona
Ron Barber (D) won with 50.4% of the vote, defeating Martha McSally (R) by 0.8 points.
Ron BarberDemocrat · winner
50.4%147,338
Martha McSallyRepublican
49.6%144,884
292,279 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2012
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Ron BarberMartha McSally
$2.8M
Raised by the campaign
$1.5M
$2.7M
Spent by the campaign
$1.4M
$86.1K
Cash on hand
$30.3K
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012