Luce County is a county located in the Upper Peninsula in the U.S. state of Michigan. As of the 2020 census, the population was 5,339, making it the second-least populous county in Michigan. The county seat is Newberry, Luce County's only incorporated community. The county was set off and organized in 1887 and named after former Michigan Governor Cyrus G. Luce. In 2002, Newberry was designated as the moose capital of Michigan by the state legislature.