Kansas City, Missouri is the largest city in the state, divided into 6 districts, based on population.
Each district is assigned one council member, who is elected every four years by the members of that district.
Each district also gets one at-large member, who represents the district but is elected by the voters of the entire city.
Based on this formula, there are 12 members total.
However, the Mayor of Kansas City, Missouri, also elected by the voters of the city every 4 years, presides over all meetings and has a vote at meetings, making him a member of the council as well.