2016Final results
2016 election for U.S. Senate in Arizona
U.S. Senate · Arizona
John McCain (R) won with 53.4% of the vote, defeating Ann Kirkpatrick (D) by 12.9 points.
John McCainRepublican · winner
53.4%1,359,258
Ann KirkpatrickDemocrat
40.5%1,031,241
Gary SwingGreen
5.4%138,631
Write-ins and other votesOther party
0.7%17,912
2,547,042 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.
Ann KirkpatrickJohn McCain
$9.3M
Raised by the campaign
$11.8M
$9.3M
Spent by the campaign
$13.4M
$13K
Cash on hand
$421.9K
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016