1968Final resultsIncumbent defeated
1968 election for South Dakota Legislative District 18
South Dakota House of Representatives · South Dakota
4 seats: Joseph Barnett (R), Royal J. Wood (R), Bernie Kopecky (D), Don Young (D) won.
4 seatsJoseph BarnettRepublican · winner · incumbent
14.7%8,335
Royal J. WoodRepublican · winner · incumbent
13.7%7,791
Bernie KopeckyDemocrat · winner
13.3%7,551
Don YoungDemocrat · winner · incumbent
12.3%6,957
Robert L. DellDemocrat
12.1%6,877
Jay C. SwisherRepublican · incumbent
11.7%6,629
Merrill D. RixDemocrat
11.4%6,455
James K. LustRepublican
10.7%6,079
56,674 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