Minnesota County Map: All 87 Counties

St. Louis County anchors the Minnesota Arrowhead region. Spanning from the deepwater port of Duluth on Lake Superior north to the Canadian border, it encompasses the Mesabi and Vermilion iron ranges, the Superior National Forest, and large portions of the Boundary Waters Canoe Area Wilderness.

The county's immense size creates unique administrative challenges: maintaining over 3,000 miles of county roads and operating multiple regional government courthouses in Duluth, Virginia, and Hibbing. Taconite mining operations on the Mesabi Range generate substantial production taxes distributed to local school districts and municipal infrastructure funds.

In contrast to the northern wilderness, Hennepin and Ramsey counties in the Twin Cities metro hold over 1.8 million people. Hennepin County operates Minnesota's largest public healthcare system (Hennepin Healthcare / HCMC) and maintains a multi-billion-dollar annual operating budget.

Under Minnesota Statutes Chapter 393, each county operates a County Social Services Agency or Public Health Department responsible for administering federal and state public assistance, child foster protection, Medicaid eligibility, and mental health casework.

Unlike states where state agencies directly employ social caseworkers, Minnesota delegates casework and a portion of funding responsibility to county boards. This county-administered, state-supervised model gives county commissioners direct oversight of community health initiatives.

Counties also maintain statutory responsibility for property assessment, voter registration, drainage ditch ditch systems under Chapter 103E, and funding district court facilities and probation supervision.