Porcupine Habitat in Michigan: Northern Lower Peninsula and Upper Peninsula Counties

Porcupines (Erethizon dorsatum) in Michigan are found primarily in the northern two-thirds of the state:

Northern Lower Peninsula

• Alger, Chippewa, Delta, Luce, Mackinac, Schoolcraft

Upper Peninsula

• Baraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw, Marquette, Menominee, Ontonagon

They prefer mixed coniferous-deciduous forests with rocky outcrops or hollow logs for dens. Rare in southern Lower Peninsula.