United States Senate – DEM Hold
Tim Johnson (D-inc) – 237,889 – 62.49%
Joel Dykstra (R) – 142,784 – 37.51%
Total Votes – 380,673 – 100.00%
United States House of Representatives – District At Large – DEM Hold
Stephanie Herseth Sandlin (D-inc) – 256,041 – 67.56%
Chris Lien (R) – 122,966 – 32.44%
Total Votes – 379,007 – 100.00%