This is the 2018 race. The latest: 2026 →

2018Final results

2018 election for Idaho Legislative District 4

Idaho State Senate · Idaho

Mary Souza (R) won with 57.7% of the vote, defeating Cory Jane English (D) by 15.4 points.

Mary SouzaRepublican · winner · incumbent
57.7%10,579
42.3%7,749
18,328 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

EvenR+8.02008R+21.62012R+25.92016R+15.42018R+29.02020R+32.62024

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET