McKinley Township is a civil township of Emmet County in the U.S. state of Michigan. The population was 1,294 at the 2020 census. McKinley Township is home to Pellston Regional Airport. According to the United States Census Bureau, the township has a total area of 35.18 square miles, of which 35.11 square miles is land and 0.07 square miles is w…McKinley Township is a civil township of Emmet County in the U.S. state of Michigan. The population was 1,294 at the 2020 census. McKinley Township is home to Pellston Regional Airport. According to the United States Census Bureau, the township has a total area of 35.18 square miles, of which 35.11 square miles is land and 0.07 square miles is water.