These statistics show votes cast within the Mt Roskill electorate before election day.
Comparison with advance votes in the 2014 General Election
This table compares the advance votes cast in the 2016 Mt Roskill by-election with advance votes cast on equivalent days in the 2014 General Election.
| Overall Total | 4969 | 7218 |
| Date | 2016 Mt Roskill by-election | 2014 General Election |
| Wed-Fri | - | 666 |
| 21 November | 182 | 198 |
| 22 November | 342 | 190 |
| 23 November | 304 | 257 |
| 24 November | 430 | 384 |
| 25 November | 180 | 243 |
| 26 November | 534 | 705 |
| 27 November | 237 | Closed |
| 28 November | 445 | 620 |
| 29 November | 440 | 603 |
| 30 November | 399 | 752 |
| 01 December | 597 | 1178 |
| 02 December | 879 | 1422 |