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County results Eagleton: 50–60% 60–70% Curtis: 50–60% 60–70% 70–80% | |||||||||||||||||
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The1968 United States Senate election in Missouri took place on November 5, 1968.
IncumbentDemocratic SenatorEdward V. Long was defeated in the Democratic primary byLieutenant GovernorThomas Eagleton. Eagleton narrowly defeatedRepublican U.S. RepresentativeThomas B. Curtis in the general election.
Primary elections were held on August 6, 1968.

| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Thomas Eagleton | 224,017 | 36.65 | |
| Democratic | Edward V. Long (incumbent) | 198,901 | 32.54 | |
| Democratic | W. True Davis Jr. | 178,961 | 29.28 | |
| Democratic | William McKinley Thomas | 4,879 | 0.80 | |
| Democratic | Lee C. Sutton | 2,475 | 0.40 | |
| Democratic | Beverly Kitching | 2,044 | 0.33 | |
| Total votes | 611,277 | 100.00 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Thomas B. Curtis | 192,028 | 84.52 | |
| Republican | Morris D. Duncan | 24,418 | 10.75 | |
| Republican | Forest Nave Jr. | 10,746 | 4.73 | |
| Total votes | 227,192 | 100.00 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Thomas Eagleton | 887,414 | 51.06 | |
| Republican | Thomas B. Curtis | 850,544 | 48.94 | |
| Majority | 36,870 | 2.12 | ||
| Turnout | 1,737,958 | |||
| Democratichold | ||||