 As for Iowa's House delegation, Democrats currently hold a 3 to 1 seat majority as a result of the 2018 elections.Between 1992 and 2012, Iowa also voted for the Democratic presidential candidate in all elections except 2004, but in 2016 the state went to the Republicans by 10 percentage points.As a result of the 2016 elections, Republicans hold a majority in the Iowa House of Representatives and the Iowa Senate.