2018Final results
2018 election for Arizona Legislative District 2
Arizona State Senate · Arizona
Andrea Dalessandro (D) won with 59.6% of the vote, defeating Shelley Kais (R) by 19.3 points.
Andrea DalessandroDemocrat · winner · incumbent
59.6%36,893
Shelley KaisRepublican
40.3%24,925
61,899 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