2018Final results
2018 election for South Dakota Legislative District 16
South Dakota State Senate · South Dakota
Jim Bolin (R) won with 68.5% of the vote, defeating Elizabeth Merrigan (D) by 37.0 points.
Jim BolinRepublican · winner · incumbent
68.5%6,815
Elizabeth MerriganDemocrat
31.5%3,131
9,946 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET