Dickinson County, Michigan

Dickinson County
Location within the U.S. state of Michigan
Michigan's location within the U.S.
Coordinates: 46°00′N 87°52′W / 46°N 87.87°W / 46; -87.87
Country United States
State Michigan
Founded1891
Named afterDonald M. Dickinson
SeatIron Mountain
Largest cityIron Mountain
Area
  Total
777 sq mi (2,010 km2)
  Land761 sq mi (1,970 km2)
  Water16 sq mi (40 km2)  2.0%
Population
 (2020)
  Total
25,947
  Density34/sq mi (13/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.dickinsoncountymi.gov

Dickinson County is a county in the Upper Peninsula of the U.S. state of Michigan. As of the 2020 census, the population was 25,947. The county seat is Iron Mountain. Dickinson is Michigan's newest county, formed in 1891 from parts of Marquette, Menominee, and Iron counties. It was named for Donald M. Dickinson, who served as U.S. Postmaster General under President Grover Cleveland.

Dickinson County is part of the Iron Mountain, MI–WI micropolitan statistical area.