2016Final results
2016 election for Arizona Legislative District 15
Arizona State Senate · Arizona
Nancy Barto (R) won with 63.3% of the vote, defeating Tonya K. Macbeth (D) by 26.5 points.
Nancy BartoRepublican · winner · incumbent
63.3%62,691
Tonya K. MacbethDemocrat
36.7%36,414
99,105 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET