2018Final results
2018 election for South Dakota Legislative District 29
South Dakota State Senate · South Dakota
Gary Cammack (R) won with 71.5% of the vote, defeating Matt Kammerer (D) by 43.0 points.
Gary CammackRepublican · winner · incumbent
71.5%6,422
Matt KammererDemocrat
28.5%2,558
8,980 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