2018Flipped from RepublicanFinal resultsIncumbent defeated
2018 election for Idaho Legislative District 5
Idaho State Senate · Idaho
David Nelson (D) won with 56.1% of the vote, defeating Dan Foreman (R) by 12.1 points, a seat Republicans won last time.
David NelsonDemocrat · winner
56.1%11,197
Dan ForemanRepublican · incumbent
43.9%8,777
19,974 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET