Iron County is one of two landlocked counties in the Upper Peninsula of the U.S. state of Michigan. As of the 2020 census, the population was 11,631. The county seat is Crystal Falls.

History

Iron County was organized in 1885, with territory partitioned from Marquette and Menominee counties. In 1890, the county's population was 4,432. It was named for the valuable iron ore found within its borders.

Geography

According to the U.S. Census Bureau, the county has an area of 1211 sqmi, of which 1166 sqmi is land and 45 sqmi (3.7%) is water. Along with its southeastern neighbor Dickinson County, it is one of only two landlocked counties in the Upper Peninsula.

Major highways

Adjacent counties

National protected area

Communities

Cities

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Census-designated place

Unincorporated communities

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Demographics

In 2020, its population was 11,631. The 2010 United States census indicates Iron County had a population of 11,817. This decrease of 1,321 people from the 2000 United States census represents a 10.1% population decrease. In 2010 there were 5,577 households and 3,284 families in the county. The population density was 10 /mi2. There were 9,197 housing units at an average density of 8 /mi2. 97.1% of the population were White, 2.9% Native American, 0.3% Asian, 0.1% Black or African American, 0.2% of some other race and 1.4% of two or more races; 1.4% were Hispanic or Latino (of any race). Culturally, 14.3% were of German, 11.5% Finnish, 11.3% Italian, 8.6% French, French Canadian or Cajun, 8.0% Swedish, 6.5% English, 5.8% American and 5.4% Irish ancestry. In 2010, there were 5,577 households, out of which 18.1% had children under the age of 18 living with them, 46.6% were married couples living together, 8.3% had a female householder with no husband present, and 41.1% were non-families. 36.8% of all households were made up of individuals, and 19.1% had someone living alone who was 65 years of age or older. The average household size was 2.06 and the average family size was 2.65. The county population contained 17.1% under the age of 18, 5.4% from 18 to 24, 17.2% from 25 to 44, 34.1% from 45 to 64, and 26.3% who were 65 years of age or older. The median age was 51.9 years. 49.3% of the population was male, 50.7% was female. In 2010, the median income for a household in the county was $35,390, and the median income for a family was $46,337. The per capita income for the county was $20,099. About 6.5% of families and 11.7% of the population were below the poverty line, including 18.0% of those under age 18 and 8.8% of those age 65 or over.

Government

Iron County was reliably Republican during its first three decades. However, since 1936 its voters have selected the Democratic Party nominee in 16 (out of 23) of the national elections through 2024, though it has voted Republican in the four most recent elections and five of the last six. Iron County operates the County jail, maintains rural roads, operates the major local courts, records deeds, mortgages, and vital records, administers public health regulations, and participates with the state in the provision of social services. The county board of commissioners controls the budget and has limited authority to make laws or ordinances. In Michigan, most local government functions – police and fire, building and zoning, tax assessment, street maintenance etc. – are the responsibility of individual cities and townships.

Education