The city's government is headed by a mayor and fifteen aldermen: six at-large aldermen elected three at a time every four years, and nine ward aldermen, one for each ward in the city, elected every two years.
The city's government is headed by a mayor and fifteen aldermen: six at-large aldermen elected three a:t a time every four years, and nine ward aldermen, one for each ward in the city, elected every two years.