Missouri Laws 89.320 – Planning commission — membership — terms — vacancy — removal
The planning commission of any municipality shall consist of not more than fifteen nor less than seven members, including:
(1) The mayor, if the mayor chooses to be a member;
(2) A member of the council selected by the council, if the council chooses to have a member serve on the commission; and
(3) Not more than fifteen nor less than five citizens appointed by the mayor and approved by the council. All citizen members of the commission shall serve without compensation. The term of each of the citizen members shall be for four years, except that the terms of the citizen members first appointed shall be for varying periods so that succeeding terms will be staggered. Any vacancy in a membership shall be filled for the unexpired term by appointment as aforesaid. The council may remove any citizen member for cause stated in writing and after public hearing.