These statistics show votes cast within the Northcote electorate before election day.
Comparison with advance votes in the 2017 General Election
This table compares the advance votes cast in the 2018 Northcote by-election with advance votes cast on equivalent days in the 2017 General Election.
| Overall total | 11464 | 10755 |
| Date | 2018 Northcote by-election | 2017 General Election |
| 28 May | 707 | 300 |
| 29 May | 727 | 283 |
| 30 May | 750 | 416 |
| 31 May | 766 | 678 |
| 1 June | 979 | 688 |
| 2 June | 1625 | 1116 |
| 3 June | 847 | 766 |
| 4 June | 890 | 726 |
| 5 June | 861 | 926 |
| 6 June | 1007 | 1274 |
| 7 June | 1032 | 1658 |
| 8 June | 1273 | 1924 |