2000 census As of the census of 2000, there were 15,511 people, 6,084 households, and 4,295 families living in the county. The population density was . There were 7,537 housing units at an average density of . The racial makeup of the county was 94.12% White, 0.08% Black or African American, 2.89% Native American, 0.26% Asian, 0.02% Pacific Islander, 0.91% from other races, and 1.72% from two or more races. 1.57% of the population were Hispanic or Latino of any race. 29.7% were of German, 12.9% American, 11.7% English and 9.0% Irish ancestry.
2000 census As of the census of 2000, there were 15,511 people, 6,084 households, and 4,295 families living in the county. The population density was . There were 7,537 housing units at an average density of  The racial makeup of the county was 94.12% White, 0.08% Black or African American, 2.89% Native American, 0.26% Asian, 0.02% Pacific Islander, 0.91% from other races, and 1.72% from two or more races. 1.57% of the population were Hispanic or Latino of any race. 29.7% were of German, 12.9% Amer.ican, 11.7% English and 9.0% Irish ancestry.