The Republican candidate won Missouri's Senate seat R+5.8.
Missouri, 2018. Candidate results and statewide totals below.
akashicMissouri — 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%
akashicCandidates
Statewide candidate totals — MIT Election Data + Science Lab, 2018 Senate returns.
akashic| Candidate | Party | Votes | Share |
|---|
| Josh Hawley | RRepublican | 1,254,927 | 51.4% |
| Claire McCaskill | DDemocrat | 1,112,935 | 45.6% |
| Craig O'Dear | OIndependent | 34,398 | 1.4% |
| Japheth Campbell | OLibertarian | 27,316 | 1.1% |
| Jo Crain | OGreen | 12,706 | 0.5% |
akashic2018 presidential election
Missouri, 2018
RepublicanR+5.8
How it voted
Share of the 2018 vote
| Republican ✓Republican | 51.4% | 1,254,942 |
|---|
| DemocraticDemocratic | 45.6% | 1,112,944 |
|---|
| OtherAll other candidates | 3.0% | 74,423 |
|---|
116 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
akashicMissouri's Senate margins
Every contest in our store, 1976–2024
Missouri's Senate margins| 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% |
|---|