1978Final results
1978 election for South Dakota Legislative District 5
South Dakota State Senate · South Dakota
Mary McClure (R) won with 61.0% of the vote, defeating Norbert J. Miles (D) by 22.0 points.
Mary McClureRepublican · winner · incumbent
61.0%4,728
Norbert J. MilesDemocrat
39.0%3,020
7,748 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