These statistics show votes cast within the Mt Albert electorate before election day.
Comparison with advance votes in the 2014 General Election
This table compares the advance votes cast in the 2017 Mt Albert by-election with advance votes cast on equivalent days in the 2014 General Election.
| Overall Total | 4019 | 6341 |
| Date | 2017 Mt Albert by-election | 2014 General Election |
| Wed-Fri | - | 719 |
| 13 February | 146 | 205 |
| 14 February | 184 | 219 |
| 15 February | 318 | 222 |
| 16 February | 235 | 243 |
| 17 February | 311 | 265 |
| 18 February | 593 | 452 |
| 19 February | 137 | Closed |
| 20 February | 329 | 527 |
| 21 February | 308 | 502 |
| 22 February | 373 | 705 |
| 23 February | 499 | 891 |
| 24 February | 586 | 1391 |