Breadcrumb Home / About Us / Programs / OpenData Municipalities - At large vs Ward List of municipalities that are At large or Ward, or both. Status at 2018 Municipal Elections. Seats on Council The chart illustrates the number of municipalities with different number of council seats. There is a minimum of five members of council, one of whom is the head of council. 45% or 195 of all 444 municipalities in Ontario have a council size of 5 members.