2008 U.S. congressional elections (South Dakota)
In the 110th Congress, South Dakota had 1 Democrat and no Republicans in the U.S House, as well as 2 Democratic Senators.
In the 2008 elections, South Dakota elected 1 Democrat and no Republicans to the U.S House, and continues to have 2 Democratic Senators.
Incumbent (Democrat): Tim P. Johnson
Winner: Tim P. Johnson
Incumbent (Democrat): Stephanie Herseth Sandlin
Winner: Stephanie Herseth Sandlin