A few things to know about Clay Township:

• Clay Township became a Township in 1828.

• Elections for the board are held in presidential election years.
• The 37 square mile township includes Harsen's Island, Russell Island, Dickinson Island and St. Johns Marsh.
• Ferry Service connects Harsen's Island with the Mainland.
• Clay Township is a center of water recreation and a public pier is located off M-29 at Pearl Beach.
• The Colony Tower, at the southwest corner of Clay Township, has been a registered landmark since the 1920's.
• At one point, the 136 foot Colony Tower housed a 60,000 gallon water tank. It provided water to the Colony's residents.

• Harsen's Island and the St. Clair Flats combine to create one of the largest inland fresh water deltas in the world.
• The Michigan Department of Natural Resources maintains two access sites on Harsen's Island, One on the South Channel and one on the Middle Channel.
• St. John's Marsh is also managed by the DNR and sports an access site and areas for fishing.
• As of 2000 Clay Township had a population of 9,822 at the time being the second highest populated Township in St. Clair County.