The borough form of government was created in 1878 and modified by the Borough Act of 1987. There are approximately 218 municipalities using the borough form of government, which is supervised by The Mayor and six council members, all of whom are elected at large. There are 37 boroughs in Monmouth County.

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The Governing Body of the Borough of Rumson is made up by the Mayor and Council who are elected by the residents. The Mayor has a four-year term and the Council members have three-year terms.

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Borough Council Regular Meetings are held the second Tuesday of each month at 7:30 p.m. in the Charles S. Callman Hall Courtroom of the Rumson Borough Hall, 80 East River Road, Rumson, N.J., unless otherwise noticed according to the requirements of the Open Public Meetings Act. Borough Council Meeting workshops may be held on the first, third, fourth and fifth Tuesday of every month, as needed, at 4:00 PM in the Charles S. Callman Hall Courtroom of Rumson Borough Hall, 80 East River Road, Rumson, N.J. 

Each year at the Reorganization Meeting, the Council adopts a resolution setting the order of business for each Council meeting.