Elections to the Indiana Senate took place on November 6, 2018. Primary elections were held on May 8, 2018.
Results
DistrictIncumbent PartyElected Senator Party11 Frank Mrvan Dem Frank Mrvan Dem44 Karen Tallian Dem Karen Tallian Dem66 Rick Niemeyer Rep Rick Niemeyer Rep1111 Joe Zakas Rep Linda Rogers Rep1414 Dennis Kruse Rep Dennis Kruse Rep1515 Liz Brown Rep Liz Brown Rep1717 Andy Zay Rep Andy Zay Rep1919 Travis Holdman Rep Travis Holdman Rep2121 Jim Buck Rep Jim Buck Rep2222 Ronnie Alting Rep Ronnie Alting Rep2323 Phil Boots Rep Phil Boots Rep2525 Timothy Lanane Dem Timothy Lanane Dem2626 Doug Eckerty Rep Mike Gaskill Rep2727 Jeff Raatz Rep Jeff Raatz Rep2929 Mike Delph Rep J. D. Ford Dem3131 James W. Merritt Rep James W. Merritt Rep3838 Jon Ford Rep Jon Ford Rep3939 Eric Bassler Rep Eric Bassler Rep4141 Greg Walker Rep Greg Walker Rep4343 Chip Perfect Rep Chip Perfect Rep4545 Jim Smith Rep Chris Garten Rep4646 Ron Grooms Rep Ron Grooms Rep4747 Erin Houchin Rep Erin Houchin Rep4848 Mark Messmer Rep Mark Messmer Rep4949 Jim Tomes Rep Jim Tomes Rep Source:
Close races Two districts had a margin of victory under 10%: District 31, 2.8% District 25, 7.8% District 46, 9%
Retiring incumbents Two incumbent senators, both Republicans, chose to not seek reelection. Doug Eckerty (R), District 26 Jim Smith (R), District 45
Incumbents defeated In primary One incumbent Republican senator ran for reelection but was defeated in the May 8 primary. Joe Zakas (R), District 11
Predictions SourceRankingAs of Governing | October 8, 2018
Detailed results District 1 • District 4 • District 6 • District 11 • District 14 • District 15 • District 17 • District 19 • District 21 • District 22 • District 23 • District 25 • District 26 • District 27 • District 29 • District 31 • District 38 • District 39 • District 41 • District 43 • District 45 • District 46 • District 47 • District 48 • District 49__NOTOC__ 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