1978Final results
1978 election for Arizona Legislative District 28
Arizona State Senate · Arizona
Robert B. Usdane (R) won with 66.9% of the vote, defeating Imogene Moore (D) by 38.1 points.
Robert B. UsdaneRepublican · winner · incumbent
66.9%12,639
Imogene MooreDemocrat
28.8%5,442
Duncan DodgeLibertarian
4.3%808
18,889 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