Mich. Comp. Laws § 46.410: County commissioners; terms.

Sec. 10.

(1) The term of office of each commissioner elected before the 2024 general November election shall be concurrent with that of state representatives as specified in section 3 of article IV of the state constitution of 1963.

(2) The term of office of each commissioner elected at or after the 2024 general November election is 4 years. The term of office begins on January 1 following the election and continues until a successor is elected and qualified.