Markey Township is a civil township of Roscommon County in the U.S. state of Michigan. The population was 2,401 at the 2020 census. The township was created from Gerrish Township on April 21, 1887.

Roscommon County is a county located in the U.S. state of Michigan. As of the 2020 census, the population was 23,459. The county seat is Roscommon. The county was founded in 1840 and organized in 1875.