Drummond Island Township is a civil township of Chippewa County in the U.S. state of Michigan. The population was 1,058 at the 2010 census.The township consists of Drummond Island, one of the largest islands in Lake Huron. M-134 runs through the western portion of the island. The highway connects with the mainland portion via the Drummond Island Ferry, which runs between De Tour Village and the island.On the east side of Drummond Island, the Canada–United States border passes through the False Detour Channel. On the other side of that channel, the Canadian Cockburn Island separates Drummond from Manitoulin Island.Drummond is an unincorporated community within the township, situated on Potagannissing Bay on the northwest side of the island at 46°01′12″N 83°43′52″W / 46.02000°N 83.73111°W / 46.02000; -83.73111. M-134 ends south of the community.