Elections / 2018 · Senate · MO
The Republican candidate won Missouri's Senate seat R+5.8.
Missouri, 2018. Party-level statewide totals below — candidate names join when the raw MEDSL store is re-fetched with name columns.
Missouri — 2018 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
1,112,935
45.6%
Republican (R)
1,254,927
51.4%
All others
74,420
3.0%
Margin
R+5.8
Missouri's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | −14.4% |
| 1980 | +4.3% |
| 1982 | −1.7% |
| 1986 | −5.3% |
| 1988 | −36.0% |
| 1992 | −7.0% |
| 1994 | −24.0% |
| 1998 | −8.9% |
| 2000 | +2.1% |
| 2002 | −1.1% |
| 2004 | −13.3% |
| 2006 | +2.3% |
| 2010 | −13.6% |
| 2012 | +15.7% |
| 2016 | −2.8% |
| 2018 | −5.8% |
| 2022 | −13.7% |
| 2024 | −13.7% |