There were two sets of 2006 Iowa House of Representatives elections. The first, the general election, was held on November 7. The second, a special election for District 52, was held on December 12. The representatives-elect from both sets of elections were inaugurated on January 3, 2007. The Iowa House, like the United States House of Representatives, is up for re-election in its entirety every two years. Prior to the elections, the Republicans were in the majority; following inauguration, the Democrats were in the majority – this marked the first time in 42 years that the Democrats had controlled both branches of the Iowa General Assembly and the Governor's Office at the same time.