1978Final results
1978 election for Arizona's 4th District
U.S. House · Arizona
Eldon Rudd (R) won with 63.1% of the vote, defeating Michael McCormick (D) by 29.3 points.
Eldon RuddRepublican · winner
63.1%90,768
Michael McCormickDemocrat
33.8%48,661
Lawrence W. JeromeLibertarian
3.1%4,407
143,836 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET