 The per capita income for the county was $18,556.About 12.6% of families and 22.8% of the population were below the poverty line, including 21.7% of people under the age of 18 and 9.2% of those age 65 or over.In 1843, the Upper Peninsula was divided into Mackinac, Chippewa, Marquette, Schoolcraft, Delta, and Ontonagon Counties.