United States Senate – GOP Hold
John Thune (R-inc) – 227,947 – 100.00%
United States House of Representatives – District At Large – GOP Gain
Kristi Noem (R) – 153,703 – 48.12%
Stephanie Herseth Sandlin (D-inc) – 146,589 – 45.89%
B. Thomas Marking (I) – 19,134 – 5.99%
Total Votes – 319,426 – 100.00%