Figures released by the U.S. Census Bureau showed some of Michigan’s largest percentage population losses were in the state’s Upper Peninsula, while three of the state’s four most populous counties gained people.
The U.P. for years has struggled through job losses tied to downturns in the manufacturing and mining industries.
Great Lakes Now
https://www.greatlakesnow.org/2021/08/ap-census-population-drops-michigan-upper-peninsula/