Mount Pleasant operates with a Board/Administrator form of government. The Village Administrator is appointed and serves at the pleasure of the Village President and Board of Trustees, who are elected. The Village Administrator function is similar to that of a general manager in a multi-division service organization.
The Village operating divisions include the Police Department, South Shore Fire Department, Public Works Department (including Sewer Utility), Finance Department, Office of the Village Clerk/Treasurer, Village Assessor's Office, Information Technology, Community Development Department, Engineering, and Building Inspection.