Oak Park Township is a local government entity that serves residents of the village, with a special emphasis on social and human service programs that help the elderly, at-risk youth, the mentally ill and financially unstable residents.
The township is governed by both elected and appointed officials.
The township board consists of an elected supervisor and four elected trustees. A township clerk, assessor and collector are also elected but do not sit on the township board.
Appointed officials include a township manager, a director of youth services, a director of senior services and an executive director.