| Candidate | Corresponding letter |
|---|---|
| Joe Biden | A |
| Hillary Clinton | B |
| Bernie Sanders | C |
| Elizabeth Warren | D |
| Jerry Brown | E |
| Lincoln Chafee | F |
| John Hickenlooper | G |
| Terry McAuliffe | H |
| Martin O'Malley | I |
| Prefer ... Over | A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|---|
| A | — | 9 | 3 | 2 | 8 | 8 | 8 | 8 | 8 |
| B | 0 | — | 1 | 0 | 2 | 2 | 2 | 2 | 2 |
| C | 13 | 14 | — | 13 | 15 | 15 | 15 | 14 | 15 |
| D | 14 | 14 | 4 | — | 14 | 13 | 14 | 14 | 14 |
| E | 2 | 4 | 1 | 0 | — | 4 | 4 | 4 | 3 |
| F | 2 | 2 | 0 | 1 | 1 | — | 1 | 1 | 1 |
| G | 1 | 1 | 0 | 0 | 0 | 1 | — | 0 | 0 |
| H | 1 | 2 | 1 | 1 | 1 | 2 | 2 | — | 1 |
| I | 3 | 3 | 1 | 1 | 3 | 3 | 3 | 3 | — |