2006 South Dakota gubernatorial election

The 2006 South Dakota gubernatorial election was held on November 7, 2006. Incumbent Republican Governor Mike Rounds defeated Democrat Jack Billion to serve a second term as governor.

Candidates

 * Jack Billion, former South Dakota State Representative
 * Dennis Weise, president of the South Dakota Farmers Union

Candidates

 * Mike Rounds, incumbent Governor of South Dakota

Results
Governor Rounds faced no opposition in the Republican primary.

Libertarian Party

 * Tom Gerber

Constitution Party

 * Steven J. Willis, small business owner, Navy veteran, conservative activist

Counties that flipped from Democratic to Republican

 * Day (largest city: Webster)
 * Roberts (largest city: Sisseton)
 * Ziebach (largest city: Dupree)
 * Corson (Largest city: McLaughlin)
 * Dewey (Largest city: North Eagle Butte)
 * Bennett (largest city: Martin)
 * Yankton (largest city: Yankton)