 Nearly 2 million people in 66 municipalities and villages live in south Cook and north central Cook, which would be directly impacted both positively and negatively by an urban airport.Land restrictions of an urban airport had taken its toll on some of the members of the North Central Council of Mayors; they began the first suburban Cook coalition.Along with the South Suburban Council of Mayors and the Southwest Council of Mayors, this group has produced consultant reports showing negative impacts.