Akashic
1876–2024
Elections / 2018 · Senate · IN

The Republican candidate won Indiana's Senate seat R+5.9.

Indiana, 2018. Candidate results and statewide totals below.

Indiana — 2018 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
1,023,553
44.8%
Republican (R)
1,158,000
50.7%
All others
100,942
4.4%
Margin
R+5.9
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2018 Senate returns.
CandidatePartyVotesShare
Mike BraunRRepublican1,158,00050.7%
Joe DonnellyDDemocrat1,023,55344.8%
Lucy M. BrentonOLibertarian100,9424.4%
Indiana, 2018
RepublicanR+6.4
2018 presidential margin by county for Indiana — 2018 US Senate electionA map of the constituent counties of Indiana — 2018 US Senate election, each outlined and filled by its 2018 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.MARION, IN · D+32.4LAKE, IN · D+30.7HAMILTON, IN · R+8.0ALLEN, IN · R+8.0ST JOSEPH, IN · D+18.5PORTER, IN · D+6.2HENDRICKS, IN · R+21.3VANDERBURGH, IN · R+3.7ELKHART, IN · R+18.7MONROE, IN · D+35.9JOHNSON, IN · R+29.0TIPPECANOE, IN · D+7.2MADISON, IN · R+9.4CLARK, IN · R+10.6DELAWARE, IN · D+1.9LAPORTE, IN · D+10.8FLOYD, IN · R+47.1VIGO, IN · D+1.1HANCOCK, IN · R+30.8HOWARD, IN · R+19.0BOONE, IN · R+16.6BARTHOLOMEW, IN · R+19.4KOSCIUSKO, IN · R+44.6MORGAN, IN · R+44.0WARRICK, IN · R+18.1GRANT, IN · R+28.1WAYNE, IN · R+18.8DEARBORN, IN · R+48.2DUBOIS, IN · R+34.7HENRY, IN · R+28.0HARRISON, IN · R+30.2LAWRENCE, IN · R+37.5MARSHALL, IN · R+21.0SHELBY, IN · R+34.7JACKSON, IN · R+36.3DEKALB, IN · R+35.6NOBLE, IN · R+35.5WHITLEY, IN · R+38.9HUNTINGTON, IN · R+39.0KNOX, IN · R+30.9MONTGOMERY, IN · R+38.6GIBSON, IN · R+32.3STEUBEN, IN · R+32.6PUTNAM, IN · R+36.2CASS, IN · R+22.3WABASH, IN · R+39.8JEFFERSON, IN · R+18.1ADAMS, IN · R+39.2WELLS, IN · R+47.1GREENE, IN · R+33.4POSEY, IN · R+23.0JASPER, IN · R+35.1MIAMI, IN · R+39.7CLAY, IN · R+38.9CLINTON, IN · R+34.9JENNINGS, IN · R+35.4DECATUR, IN · R+44.0RIPLEY, IN · R+49.7SPENCER, IN · R+22.4DAVIESS, IN · R+53.3WHITE, IN · R+27.8FRANKLIN, IN · R+52.8RANDOLPH, IN · R+32.9LAGRANGE, IN · R+38.6SCOTT, IN · R+14.7STARKE, IN · R+13.6FAYETTE, IN · R+32.1SULLIVAN, IN · R+22.7OWEN, IN · R+33.2BROWN, IN · R+18.6PERRY, IN · R+1.2FULTON, IN · R+23.0CARROLL, IN · R+35.4ORANGE, IN · R+32.8JAY, IN · R+32.7RUSH, IN · R+37.8FOUNTAIN, IN · R+43.7TIPTON, IN · R+38.0VERMILLION, IN · R+14.5PARKE, IN · R+38.1PIKE, IN · R+30.0NEWTON, IN · R+34.3MARTIN, IN · R+43.2CRAWFORD, IN · R+18.9BLACKFORD, IN · R+26.5PULASKI, IN · R+22.0WARREN, IN · R+39.5BENTON, IN · R+36.4SWITZERLAND, IN · R+32.1UNION, IN · R+42.6OHIO, IN · R+35.0
How it voted
Share of the 2018 vote
RepublicanRepublican51.0%1,151,904
DemocraticDemocratic44.6%1,008,030
OtherAll other candidates4.4%99,739
D+60
R+60
91 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
Indiana's Senate margins
Every contest in our store, 1976–2024
Indiana's Senate marginsDemocratic-minus-Republican presidential margin from 1976 to 2024. Most recent: −19.9% in 2024.flipped R · 2016−19.9%DR19762024
Indiana's Senate margins
YearMargin (D minus R)
1976−18.8%
1980−7.6%
1982−8.2%
1986−22.1%
1988−36.3%
1990−7.3%
1992−16.6%
1994−36.9%
1998+28.9%
2000−34.7%
2004+24.4%
2006−87.4%
2010−14.6%
2012+5.8%
2016−9.7%
2018−5.9%
2022−20.7%
2024−19.9%