2018Final results
2018 election for South Dakota Legislative District 24
South Dakota State Senate · South Dakota
Jeff Monroe (R) won with 66.5% of the vote, defeating Amanda Bachmann (D) by 33.0 points.
Jeff MonroeRepublican · winner · incumbent
66.5%6,989
Amanda BachmannDemocrat
33.5%3,519
10,508 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