The 2010 census indicates Luce County had a population of 6,631. This is a decrease of 393 people from the 2000 United States Census. This is a -5.6% change in population. In 2010 there were 2,412 households and 1,542 families residing in the county. The population density was 7 people per square mile (3/km2). There were 4,343 housing units at an average density of 5 per square mile (2/km2). The racial makeup of the county was 80.4% White, 11.1% Black or African American, 5.0% Native American, 0.3% Asian and 3.1% of two or more races. 1.2% were Hispanic or Latino (of any race). 14.5% were of German, 7.6% French, French Canadian or Cajun, 7.4% Irish, 6.8% English, 6.3% American and 5.5% Finnish ancestry.