2016Final results
2016 election for Arizona's 9th District
U.S. House · Arizona
Kyrsten Sinema (D) won with 60.8% of the vote, defeating Dave Giles (R) by 21.8 points.
Kyrsten SinemaDemocrat · winner
60.8%169,055
Dave GilesRepublican
38.9%108,350
278,192 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Kyrsten SinemaDave Giles
$4.4M
Raised by the campaign
$273.8K
$2.4M
Spent by the campaign
$273.7K
$2.3M
Cash on hand
$48
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016