2018Final results
2018 election for Arizona Legislative District 20
Arizona State Senate · Arizona
Paul Boyer (R) won with 48.3% of the vote, defeating Douglas Ervin (D) by 3.9 points.
Paul BoyerRepublican · winner
48.3%35,170
Douglas ErvinDemocrat
44.4%32,352
Doug QuellandIndependent
7.2%5,229
72,863 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