Greenwich Township is a Second Class Township as classified in the Second Class Township code Act of May 1, 1933. The Township is governed by a Board of Supervisors composed of three members.
Each is elected by the registered voters of Greenwich Township and serves a term of six years. Some of the responsibilities of the Board include: budgeting and appropriating funds, adopting ordinances and resolutions to establish rules and regulations and working collectively with other Township organizations for the benefit of Greenwich Township residents.
The Board of Supervisors meet at the Greenwich Township Building at 7:30 p.m. on the First Monday of each month, EXCEPT when Monday is a holiday then the meeting is moved to the first Tuesday.