Here's some data from the Committee of Seventy on turnout through 10 a.m.
* 1st Ward, Division 1 (First Councilmanic District): As of 10:30 a.m., 23 out of 479 registered voters had cast a ballot.
* 1st Ward, Division 4 (First Councilmanic District): As of 10:30, 46 voters/627 registered
* 36th Ward, Division 3 (Second Councilmanic District): As of 10:30, 15 voters/437 registered
* 36th Ward, Division 20 (Second Councilmanic District): As of 10:30, 12 voters/374 registered
* 65th Ward, Division 20 (Sixth Councilmanic District): As of 10:30, 80 voters/1,116 registered
* 7th Ward, Division 11 (Seventh Councilmanic District): As of 11 a.m., 40 voters/ 806 registered
* 7th Ward, Division 7 (Seventh Councilmanic District): As of 11 a.m., 10 voters/ 590 registered