Source cited by the original article (data doesn't match): https://county.milwaukee.gov/EN/County-Clerk/Off-Nav/Election-Results/Election-Results-Fall-2020

EDIT: Closest web archive snapshots around when the article was posted. Article says that the original website changed numbers after the article was posted. Not enough info to conclusively know one way or the other.

https://web.archive.org/web/20201104040300/https://county.milwaukee.gov/EN/County-Clerk/Off-Nav/Election-Results/Election-Results-Fall-2020

https://web.archive.org/web/20201104154824/https://county.milwaukee.gov/EN/County-Clerk/Off-Nav/Election-Results/Election-Results-Fall-2020

Source cited by the original article (data doesn't match): https://county.milwaukee.gov/EN/County-Clerk/Off-Nav/Election-Results/Election-Results-Fall-2020