As of the 2000 United States Census, there were 36,951 people, 14,887 households, and 10,167 families in the county. The population density was 50 people per square mile (19/km2). There were 16,119 housing units at an average density of 22 per square mile (8/km2). The racial makeup of the county was 87.58% White, 0.27% Black or African American, 1.88% Native American, 0.57% Asian, 0.04% Pacific Islander, 8.02% from other races, and 1.63% from two or more races. 17.19% of the population were Hispanic or Latino of any race. 39.5% were of German, 8.6% English and 6.8% Irish ancestry.