| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1960 | MO | D | Secretary of State | Primary | 2 | 165,771 | 34.5% | ||
| 1964 | MO | D | Secretary of State | Primary | 1 | 375,522 | 68.6% | ||
| 1964 | MO | D | Secretary of State | General | 1 | 1,131,119 | 64.4% | ||
| 1968 | MO | D | Secretary of State | Primary | 1 | 427,743 | 100.0% | ||
| 1968 | MO | D | Secretary of State | General | 1 | 995,742 | 58.7% | ||
| 1972 | MO | D | Secretary of State | Primary | 1 | 461,776 | 84.0% | ||
| 1972 | MO | D | Secretary of State | General | 1 | 1,060,810 | 58.9% | ||
| 1976 | MO | D | Secretary of State | Primary | 1 | 670,360 | 86.1% | ||
| 1976 | MO | D | Secretary of State | General | 1 | 1,273,023 | 67.9% | ||
| 1980 | MO | D | Secretary of State | Primary | 1 | 542,793 | 87.3% | ||
| 1980 | MO | D | Secretary of State | General | 1 | 1,366,466 | 68.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |