2020 census
As of the 2020 census, the county had a population of 30,856. The median age was 48.0 years. 20.0% of residents were under the age of 18 and 24.2% of residents were 65 years of age or older. For every 100 females there were 100.6 males, and for every 100 females age 18 and over there were 100.2 males age 18 and over. [15]
The racial makeup of the county was 93.6% White, 0.5% Black or African American, 0.7% American Indian and Alaska Native, 0.2% Asian, <0.1% Native Hawaiian and Pacific Islander, 0.7% from some other race, and 4.3% from two or more races. Hispanic or Latino residents of any race comprised 2.0% of the population. [16] 12.3% of residents lived in urban areas, while 87.7% lived in rural areas. [17]
There were 13,279 households in the county, of which 23.3% had children under the age of 18 living in them. Of all households, 45.3% were married-couple households, 21.7% were households with a male householder and no spouse or partner present, and 24.1% were households with a female householder and no spouse or partner present. About 31.8% of all households were made up of individuals and 15.8% had someone living alone who was 65 years of age or older. [15] There were 21,818 housing units, of which 39.1% were vacant. Among occupied housing units, 79.4% were owner-occupied and 20.6% were renter-occupied. The homeowner vacancy rate was 2.8% and the rental vacancy rate was 5.9%. [15]
2010 census
As of the 2010 census, Clare County had a population of 30,926, a decrease of 326 people from the 2000 census. In 2010 there were 12,966 households and 8,584 families in the county. The population density was 54.8 per square mile (21.2/km2). There were 23,233 housing units at an average density of 41.2 per square mile (15.9/km2). The racial and ethnic makeup of the county was 95.8% White, 0.5% Black or African American, 0.6% Native American, 0.3% Asian, 1.5% Hispanic or Latino, 0.1% from other races, and 1.3% from two or more races. [18]
There were 12,966 households, out of which 25.3% had children under the age of 18 living with them, 51.0% were husband and wife families, 10.0% had a female householder with no husband present, 33.8% were non-families, and 28.0% were made up of individuals. The average household size was 2.36 and the average family size was 2.83. [18]
The county population contained 20.9% under age of 18, 7.9% from 18 to 24, 20.8% from 25 to 44, 30.4% from 45 to 64, and 19.9% who were 65 years of age or older. The median age was 45 years. For every 100 females there were 99.7 males. For every 100 females age 18 and over, there were 97.9 males. [18]
United States
Michigan 
