2020Final results
2020 election for Iowa Senate District 16
Iowa State Senate · Iowa
Nate Boulton (D) won with 75.7% of the vote, defeating Toya S. Johnson (Oth) by 52.8 points.
Nate BoultonDemocrat · winner · incumbent
75.7%16,868
Toya S. JohnsonOther party
22.9%5,097
Write-ins and other votesOther party
1.4%320
22,285 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET