2016Final results
2016 election for Iowa Senate District 30
Iowa State Senate · Iowa
Jeff Danielson (D) won with 58.7% of the vote, defeating Bonnie Sadler (R) by 17.4 points.
Jeff DanielsonDemocrat · winner · incumbent
58.7%19,568
Bonnie SadlerRepublican
41.2%13,754
33,355 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