This is always free of charge. Sync your files with the cloud! Lori Lightfoot made history in the 2019 mayoral runoff and became the first black woman to be elected as the Mayor of Chicago. Also on the ballot were the citywide treasurer race and 15 aldermanic races. The top two candidates from the February 26 election went against each other in these races after failing to secure the majority of the votes in the first ballot. Results in all races are provided by the Chicago Board of Elections and are subject to change pending the count of mail-in ballots. Projected winners will be noted with a check mark .