1978Final results
1978 election for Arizona's 1st District
U.S. House · Arizona
John Rhodes (R) won with 71.0% of the vote, defeating Ken Graves (D) by 41.9 points.
John RhodesRepublican · winner
71.0%81,108
Ken GravesDemocrat
29.0%33,178
114,286 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