1968Final results
1968 election for South Dakota Legislative District 28
South Dakota State Senate · South Dakota
Arthur L. Jones (R) won with 33.8% of the vote, defeating Frank E. Henderson (R) by 0.4 points.
Arthur L. JonesRepublican · winner · incumbent
33.8%11,086
Frank E. HendersonRepublican
33.4%10,967
Kenneth L. RobertsRepublican
32.8%10,749
32,802 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 1968
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET