Map of Roscommon County, Michigan

Roscommon County (/rɒsˈkɒmən/ RAHS-comm-ən) is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 23,459. The county seat is Roscommon. The county was founded in 1840 and organized in 1875.

Roscommon County overview:
Name:Roscommon County
FIPS code:26-143
State:Michigan
Founded:1840
Named for:County Roscommon, Ireland
Seat:Roscommon
Total Area:580 sq mi (1,500 km²)
Land Area:520 sq mi (1,300 km²)
Total Population:23,459
Population Density:47/sq mi (18/km²)
Time zone:UTC−5 (Eastern)
Summer Time Zone (DST):UTC−4 (EDT)

Roscommon County location map. Where is Roscommon County?

Roscommon County location on the U.S. Map. Where is Roscommon County.
Location of Roscommon County in the the United States.
Roscommon County location on the Michigan map. Where is Roscommon County.
Location of Roscommon County in Michigan.

History

The county was formed by the Michigan Legislature in 1840 as Mikenauk County, then renamed Roscommon County in 1843. It was administered by Michilimackinac (Mackinac), Cheboygan, and Midland counties, in succession, prior to the organization of county government in 1875. Roscommon County was named after County Roscommon, Ireland.

There are three official Michigan historical markers in the county:

  • Gerrish
  • Pioneer House
  • Terney House

Roscommon County Road Map

Roscommon CountyStreet Map.
Street map of Roscommon County, Michigan. Source: OpenStreetMap (OSM)
Roscommon CountyMap
Roscommon Countypolitical map.

Geography

According to the US Census Bureau, the county has a total area of 580 square miles (1,500 km), of which 520 square miles (1,300 km) is land and 60 square miles (160 km) (10%) is water. Roscommon County is considered to be part of Northern Michigan. Part of Michigan’s Au Sable State Forest falls within the county. The US Forest Service’s Roscoe Fire Management Unit includes Ogemaw and Roscommon Counties.

Geographic features

During prehistoric times, glacial action helped shape the Michigan-area terrain. A large portion of the area is the Grayling outwash plain, which includes sandy ice-disintegration ridges; jack pine barrens, white pine-red pine forest, and northern hardwood forest. Large lakes were created by glacial action.

Prominent geographic features include:

  • Au Sable River
  • Backus Creek
  • Cut River
  • Dead Stream Flooding
  • Higgins Lake
  • Houghton Lake
  • Houghton Lake Flats
  • Lake St. Helen
  • Marl Lake
  • Roscommon Virgin Pine Stand – a 160-acre (650,000 m) parcel within the Au Sable State Forest, 8 miles (13 km) north of St. Helen, Michigan, and 8 miles east of Roscommon. An old-growth stand of red pine, which includes a former national champion red pine.
  • Underground oil deposits

Major highways

  • I-73 (future)
  • I-75 – runs south, SE, and east through the NE middle portion of county.
  • US 127 – runs north–south through west portion of county. Passes on west side of Higgins and Houghton Lakes.
  • M-18 – runs north–south through center of county. Passes Roscommon and Prudenville. Leaving Roscommon, runs east along north line of county for 5.6 miles (9 km) before turning to NE.
  • M-55 – runs east–west through center of county to intersection with I75, 7 miles (11 km) west of east line of county.
  • M-157 – short (1.1 mile/1.8 km) north-south spur connecting M18 to M55, east of Houghton Lake.
  • F-18 – runs south from Prudenville. Exits the county on the line between Clare and Gladwin counties.

Airports

  • Houghton Lake State Airport is located in Roscommon Township.
  • Roscommon County–Blodgett Memorial Airport is located in Markey Township.

Adjacent counties

Roscommon County Topographic Map

Topographic Map of Roscommon County, Michigan
Roscommon County Topo map.

Roscommon County Satellite Map

Satellite Map of Roscommon County, Michigan
Roscommon County satellite map.

Roscommon County Outline Map

Outline Map of Roscommon County, Michigan
Roscommon County outline map.

See also

Map of Michigan State and its subdivision: Map of other states:
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