The MAC's role is to provide advice and recommendations to the Ventura County Board of Supervisors, the County Planning Department, and other agencies. The Municipal Advisory Council is composed of five elected members.
Terms of office expire on a staggered basis.
The MAC members annually elect their chairperson. A Board of Trustees governs the Community Foundation. The Foundation and its activity committees are prohibited from engaging in any political activities. Oak Park falls within Ventura County's Second Supervisory District. Oak Park includes parts of two state assembly districts and one state senatorial district.