2018Final results
2018 election for Arizona Legislative District 28
Arizona State Senate · Arizona
Kate Brophymcgee (R) won with 50.1% of the vote, defeating Christine Marsh (D) by 0.3 points.
Kate BrophymcgeeRepublican · winner · incumbent
50.1%47,278
Christine MarshDemocrat
49.8%47,011
94,408 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