2016 Iowa Senate election
The 2016 Iowa Senate election was held on November 8, 2016. The Senate seats for the twenty-five even-numbered districts were up for election. Senate terms are staggered such that half the membership is elected every two years, with each Senators serving a four-year term. Prior to the election, the Democrats were in the majority. Results. The election took place on November 8, 2016. Candidate list and results from the Iowa Secretary of State.