2018Final resultsIncumbent defeated
2018 election for South Dakota Legislative District 25
South Dakota House of Representatives · South Dakota
2 seats: Jon Hansen (R), Tom Pischke (R) won.
2 seatsJon HansenRepublican · winner
32.0%5,982
Tom PischkeRepublican · winner · incumbent
28.2%5,272
Dan AhlersDemocrat · incumbent
27.7%5,174
Bj MotleyDemocrat
12.1%2,266
18,694 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