The Village of Seneca operates under a commission form of government.  The Village Council is comprised of the Mayor and four Commissioners who are elected to four-year terms. The Village Clerk and Village Treasurer are both appointed with the consent of the Village Council.

The Village Council meets formally on the 1st and 3rd Tuesday of each month at 6:00 pm.  The Mayor and each Commissioner is responsible for administering the functions of the following departments:   Public Affairs, Accounts and Finance, Public Health & Safety, Streets and Public Improvements, and Water, Sewer and Public Property.