2018Final results
2018 election for South Dakota Legislative District 29
South Dakota House of Representatives · South Dakota
2 seats: Kirk Chaffee (R), Thomas J. Brunner (R) won.
2 seatsKirk ChaffeeRepublican · winner
37.7%5,935
Thomas J. BrunnerRepublican · winner · incumbent
36.3%5,711
Jade AddisonDemocrat
13.2%2,078
Michael S. McManusDemocrat
12.7%2,004
15,728 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