The 2010 United States Census indicates Clare County had a 2010 population of 30,926. This decrease of 326 people from the 2000 United States Census represents a loss of 1.0% population. 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 per km2). There were 23,233 housing units at an average density of 41.2 per square mile (15.9 per 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.