1978Flipped from DemocraticFinal resultsIncumbent defeated
1978 election for Arizona Legislative District 12
Arizona State Senate · Arizona
John T. Mawhinney (R) won with 55.6% of the vote, defeating Sue Dye (D) by 11.3 points, a seat Democrats won last time.
John T. MawhinneyRepublican · winner
55.6%11,908
Sue DyeDemocrat · incumbent
44.4%9,493
21,401 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET