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 people per square mile (4/km2). There were 9,197 housing units at an average density of 8 per square mile (3/km2). 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). 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.