Resident Population in Dickinson County, MI was 25.98200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Dickinson County, MI reached a record high of 27.60300 in January of 1997 and a record low of 23.75300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Dickinson County, MI - last updated from the United States Federal Reserve on May of 2024.