1970Flipped from RepublicanFinal resultsIncumbent defeated
1970 election for South Dakota Legislative District 28
South Dakota State Senate · South Dakota
Charles E. Donnelly Jr. (D) won with 19.1% of the vote, defeating Franklin Wallahan (D) by 0.5 points, a seat Republicans won last time.
Charles E. Donnelly Jr.Democrat · winner
19.1%8,530
Franklin WallahanDemocrat
18.6%8,304
Homer KandarasDemocrat
18.0%8,019
Arthur L. JonesRepublican · incumbent
15.3%6,841
John W. BarnesRepublican
14.6%6,535
R. James BrennanRepublican
14.3%6,391
44,620 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET