65 ILCS 5/11-95-3
If the corporate authorities of a municipality specified in Section 11-95-2 determine that the power to establish, conduct, and maintain a recreation system shall be exercised by a recreation board, the corporate authorities, by resolution or ordinance, shall establish a recreation board in the municipality. This board shall possess all of the powers and be subject to all of the responsibilities of the corporate authorities under this Division 95. When established, the board shall consist of 3, 5, 7, or 9 persons, as the corporate authorities may determine, to be appointed by the mayor or president of the municipality with the consent of the corporate authorities. The board shall serve without compensation.
Where the board is composed of 3 members their term of office shall be 3 years, and where composed of 5, 7, or 9 members, 5 years, or until their successors are appointed and have qualified, except that the members of the board first appointed shall be appointed for such terms that the term of one member shall expire annually thereafter. If a vacancy occurs in the office of any board member, the mayor or president shall appoint a successor to serve for the unexpired term.
65 ILCS 5/11-95-3