Shelby Charter Township, officially the Charter Township of Shelby, is a charter township located in Macomb County in the U.S. state of Michigan. The township is an affluent northern suburb of Detroit. As of the 2020 census, the population was 79,408, up from 73,804 in 2010. Shelby Charter Township is one of the fastest-growing communities in Metr…Shelby Charter Township, officially the Charter Township of Shelby, is a charter township located in Macomb County in the U.S. state of Michigan. The township is an affluent northern suburb of Detroit. As of the 2020 census, the population was 79,408, up from 73,804 in 2010. Shelby Charter Township is one of the fastest-growing communities in Metro Detroit.