2006 Oklahoma gubernatorial election

Incumbent Democratic governor Brad Henry won re-election to a second term in a landslide, defeating Republican U.S. representative Ernest Istook.

Republicans later swept all statewide executive offices on the 2010 ballot, as they did majorities in both state legislative chambers.

In his first term, Henry had supported some tax cuts and took centrist positions on many political hot button issues.

Istook's strongest opponent in the primary was Bob Sullivan, who positioned himself as the only "non-career politician" in the race.

[5] The incumbent Democratic governor Brad Henry won the election with more than 66 percent of the vote, beating Republican U.S. representative Ernest Istook.

Results by county
Map legend
  • Istook—70–80%
  • Istook—60–70%
  • Istook—50–60%
  • Istook—40–50%
  • Istook—30–40%
  • Istook/Sullivan tie—30–40%
  • Sullivan—30–40%
  • Sullivan—40–50%