2018Final results
2018 election for South Dakota Legislative District 4
South Dakota State Senate · South Dakota
John Wilk (R) won with 64.8% of the vote, defeating Dennis Evenson (D) by 29.7 points.
John WilkRepublican · winner
64.8%6,500
Dennis EvensonDemocrat
35.2%3,525
10,025 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