2018 Idaho Senate election

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All 35 seats in theIdaho Senate 18 seats needed for a majority
Majority party Minority party   Leader Chuck Winder Michelle Stennett Party Republican Democratic Leader since September 21, 2017 December 1, 2012 Leader's seat District 20 District 26 Last election 29 6 Seats after 28 7 Seat change 1 1 Popular vote 377,542 169,426 Percentage 68.10% 30.56%
Majority Leader before election Chuck Winder Republican Elected Majority Leader Chuck Winder Republican

The2018 Idaho Senate election was held on November 6, 2018, to determine which party would control theIdaho Senate for the following two years in the65th Idaho Legislature. All 35 seats in theIdaho Senate were up for election and the primary was held on May 15, 2018. Prior to the election, 29 seats were held byRepublicans and 6 seats were held byDemocrats. The general election saw Democrats flip a single seat, thereby meaning that Republicans retained their majority in the State Senate.^[1][2]

1. District 1:Shawn Keough retired.
2. District 3:Bob Nonini retired.
3. District 14:Marv Hagedorn retired.
4. District 35:Jeff Siddoway retired.

1. District 33:Tony Potts lost renomination toDave Lent.

1. District 5:Dan Foreman lost re-election toDavid Nelson.

Seats where the margin of victory was under 10%:

1. District 15, 0.04%

• 2018 Idaho elections
• Idaho Senate elections
• November 2018 in the United States
• 2018 state legislature elections in the United States

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