 Of Michigan's five largest counties, Macomb experienced the most population growth (102.5%) between 1950 and 1960.Macomb County is home to more than 130 parks covering managed by the state, regional, county, and local government.There are four major public parks in the County - Freedom Hill County Park, Macomb Orchard Trail, Lake St. Clair Metropark, and Stony Creek Metropark.