2010Final results
2010 election for South Dakota Legislative District 20
South Dakota House of Representatives · South Dakota
2 seats: Lance Carson (R), Tona Rozum (R) won.
2 seatsLance CarsonRepublican · winner · incumbent
43.4%5,363
Tona RozumRepublican · winner
37.3%4,611
Becky M. HaslamIndependent
19.3%2,388
12,362 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET