Elections to the Indiana Senate took place on November 6, 2018. Primary elections were held on May 8, 2018.
Results
Source:
Close races
Two districts had a margin of victory under 10%:
- <span style="color:red;">District 31, 2.8%</span>
- <span style="color:blue;">District 25, 7.8%</span>
- <span style="color:red;">District 46, 9%</span>
Retiring incumbents
Two incumbent senators, both Republicans, chose to not seek reelection.
Incumbents defeated
In primary
One incumbent Republican senator ran for reelection but was defeated in the May 8 primary.
Predictions
Detailed results
Sources:
District 1
Democratic primary
Republican primary
General election
District 4
Democratic primary
Republican primary
General election
District 6
Republican primary
Democratic primary
General election
District 11
Republican primary
Democratic primary
General election
District 14
Republican primary
General election
District 15
Republican primary
Democratic primary
General election
District 17
Republican primary
Democratic primary
General election
District 19
Republican primary
General election
District 21
Republican primary
Democratic primary
General election
District 22
Republican primary
Democratic primary
General election
District 23
Republican primary
General election
District 25
Democratic primary
Republican primary
General election
District 26
Republican primary
Democratic primary
General election
District 27
Republican primary
Democratic primary
General election
District 29
Republican primary
Democratic primary
General election
District 31
Republican primary
Democratic primary
General election
District 38
Republican primary
Democratic primary
General election
District 39
Republican primary
General election
District 41
Republican primary
Democratic primary
General election
District 43
Republican primary
General election
District 45
Republican primary
Democratic primary
General election
District 46
Republican primary
Democratic primary
General election
District 47
Republican primary
Democratic primary
General election
District 48
Republican primary
General election
District 49
Republican primary
Democratic primary
General election
References