Established in 1867, Gilmore Township is a civil township of Benzie County, Michigan. The population was 813 at the 2020 census. The township contains the Village of Elberta and is bordered on the north by the city of Frankfort. The narrow township is located between Crystal Lake Township to the north and Blaine Township to the south, as well as a short boundary with Benzonia Township to the east. According to the United States Census Bureau, the township has a total area of 7.5 square miles, of which 7.1 square miles is land and 0.39 square miles, or 4.89%, is water.