2016Final results
2016 election for Iowa Senate District 34
Iowa State Senate · Iowa
Liz Mathis (D) won with 56.0% of the vote, defeating Rene Gadelha (R) by 12.1 points.
Liz MathisDemocrat · winner · incumbent
56.0%20,008
Rene GadelhaRepublican
43.9%15,673
35,711 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET