As reported by the Chicago Board of Elections.
Unofficial Early Voting – Day by Day – Citywide data through 7:15 p.m., March 7, 2016
Ballots Date Sites Open
| 190 | Feb 17 | 1 site |
| 194 | Feb 18 | 1 site |
| 194 | Feb 19 | 1 site |
| 48 | Feb 20 | 1 site |
| 36 | Feb 21 | 1 site |
| 192 | Feb 22 | 1 site |
| 192 | Feb 23 | 1 site |
| 159 | Feb 24 | 1 site |
| 173 | Feb 25 | 1 site |
| 198 | Feb 26 | 1 site |
| 114 | Feb 27 | 1 site |
| 65 | Feb 28 | 1 site |
| 9,477 | Feb 29 | 51 sites |
| 6,081 | Mar 1 | 51 sites |
| 6,616 | Mar 2 | 51 sites |
| 5,226 | Mar 3 | 51 sites |
| 7,040 | Mar 4 | 51 sites |
| 9,910 | Mar 5 | 51 sites |
| 1,413 | Mar 6 | 14 sites |
| 8,849 | Mar 7 | 51 sites |
| Mar 8 | 51 sites | |
| Mar 9 | 51 sites | |
| Mar 10 | 51 sites | |
| Mar 11 | 51 sites | |
| Mar 12 | 51 sites | |
| Mar 13 | 14 sites | |
| Mar 14 | 14 sites | |
| 56,367 | Total |
Unofficial Cumulative: Feb. 17, 2016 through March 7, 2016 – As of 7:15 p.m.
Ward Early Voting Ballots
| 1 | 994 |
| 2 | 922 |
| 3 | 1,591 |
| 4 | 1,687 |
| 5 | 1,309 |
| 6 | 1,364 |
| 7 | 1,466 |
| 8 | 1,542 |
| 9 | 1,446 |
| 10 | 994 |
| 11 | 1,562 |
| 12 | 666 |
| 13 | 2,743 |
| 14 | 568 |
| 15 | 333 |
| 16 | 601 |
| 17 | 1,081 |
| 18 | 1,606 |
| 19 | 2,420 |
| 20 | 759 |
| 21 | 1,469 |
| 22 | 421 |
| 23 | 1,250 |
| 24 | 562 |
| 25 | 721 |
| 26 | 623 |
| 27 | 819 |
| 28 | 749 |
| 29 | 1,154 |
| 30 | 538 |
| 31 | 474 |
| 32 | 898 |
| 33 | 831 |
| 34 | 1,787 |
| 35 | 487 |
| 36 | 564 |
| 37 | 942 |
| 38 | 1,157 |
| 39 | 1,277 |
| 40 | 1,138 |
| 41 | 2,024 |
| 42 | 1,131 |
| 43 | 1,217 |
| 44 | 1,152 |
| 45 | 1,164 |
| 46 | 1,043 |
| 47 | 1,567 |
| 48 | 1,448 |
| 49 | 1,155 |
| 50 | 951 |
| Total | 56,367 |