Akashic
1876–2024
Elections / 2018 · Senate · DE

The Democratic candidate won Delaware's Senate seat D+22.1.

Delaware, 2018. Candidate results and statewide totals below.

Delaware — 2018 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
217,385
60.0%
Republican (R)
137,127
37.8%
All others
8,080
2.2%
Margin
D+22.1
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2018 Senate returns.
CandidatePartyVotesShare
Thomas R CarperDDemocrat217,38560.0%
Robert B ArlettRRepublican137,12737.8%
Demitri G TheodoropoulosOGreen4,1701.2%
Nadine M FrostOLibertarian3,9101.1%
2018 presidential election
Delaware, 2018
DemocraticD+22.1
2018 presidential margin by county for Delaware — 2018 US Senate electionA map of the constituent counties of Delaware — 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.NEW CASTLE, DE · D+40.8SUSSEX, DE · R+10.5KENT, DE · D+6.8
How it voted
Share of the 2018 vote
Democratic ✓Democratic60.0%217,385
RepublicanRepublican37.8%137,127
OtherAll other candidates2.2%8,094
D+60
R+60
3 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
Delaware's Senate margins
Every contest in our store, 1976–2024
Delaware's Senate marginsDemocratic-minus-Republican presidential margin from 1976 to 2024. Most recent: +17.1% in 2024.flipped D · 1996+17.1%DR19762024
Delaware's Senate margins
YearMargin (D minus R)
1976−12.2%
1978+16.9%
1982−11.0%
1984+20.2%
1988−24.1%
1990+26.8%
1994−13.3%
1996+21.9%
2000+11.8%
2002+17.4%
2006+41.5%
2008+29.4%
2010+16.6%
2012+37.5%
2014+13.6%
2018+22.1%
2020+21.5%
2024+17.1%