2020Final results
2020 election for Arizona Legislative District 13
Arizona House of Representatives · Arizona
2 seats: Tim Dunn (R), Joanne Osborne (R) won.
2 seatsTim DunnRepublican · winner · incumbent
37.7%71,049
Joanne OsborneRepublican · winner · incumbent
37.0%69,733
Mariana SandovalDemocrat
25.3%47,650
188,432 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET