2010Final results
2010 election for South Dakota Legislative District 28B
South Dakota House of Representatives · South Dakota
Betty Olson (R) won with 72.5% of the vote, defeating Teresa Schanzenbach (Ind) by 45.0 points.
Betty OlsonRepublican · winner · incumbent
72.5%2,826
Teresa SchanzenbachIndependent
27.5%1,072
3,898 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET