2018Final results
2018 election for Arizona Legislative District 13
Arizona State Senate · Arizona
Sine Kerr (R) won with 62.5% of the vote, defeating Michelle Harris (D) by 25.0 points.
Sine KerrRepublican · winner
62.5%50,432
Michelle HarrisDemocrat
37.4%30,215
80,729 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET