2006 Michigan gubernatorial election  The Michigan gubernatorial election of 2006 was one of the 36 U.S. gubernatorial elections held November 7, 2006. Incumbent Democratic Governor of Michigan Jennifer Granholm was re-elected over Republican businessman Dick DeVos and three minor party candidates. Granholm was re-elected with 56% of the vote. Granholm had no opposition in the primary election, which was held August 8. She retained incumbent Lieutenant Governor John D. Cherry as her running mate. DeVos was originally facing two other Republicans; state Representative Jack Hoogendyk of Portage and state Senator Nancy Cassis of Novi, both dropped out by summer 2005. A political unknown, Louis Boven, tried to challenge him in the primary, but failed to meet Michigan election requirements to get on the ballot. Boven later ran an unsuccessful write-in campaign. DeVos selected former State Representative and Oakland County Clerk Ruth Johnson as his running mate on August 14. The Libertarian Party of Michigan held their convention on May 16 at the Comfort Inn in Chelsea The party nominated Gregory Creswell, with Scotty Boman as his running mate.