2018Final results
2018 election for South Dakota's at-large District
U.S. House · South Dakota
Dusty Johnson (R) won with 60.3% of the vote, defeating Tim Bjorkman (D) by 24.3 points.
Dusty JohnsonRepublican · winner
60.3%202,446
Tim BjorkmanDemocrat
36.0%120,816
Ron WieczorekIndependent
2.2%7,313
George D. HendricksonLibertarian
1.5%4,896
335,471 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
Money in this race
Each line compares the two campaigns on one scale.
Tim BjorkmanDusty Johnson
$875.4K
Raised by the campaign
$1.7M
$872.4K
Spent by the campaign
$1.7M
$3K
Cash on hand
$56K
Other candidates' campaigns: Ron Wieczorek $23.3K · George D. Hendrickson $5.6K.
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018
The candidates
Dusty Johnson (R)Tim Bjorkman (D)
Also on the ballot: Ron Wieczorek (Independent), 2.2%; George D. Hendrickson (Libertarian), 1.5%