As of the census of 2000, there were 181,269 people, 71,532 households, and 48,427 families living in the county. The population density was 65 people per square mile (25/km2). There were 75,737 housing units at an average density of 27 per square mile (10/km2). The racial makeup of the county was 91.65% White, 0.40% Black or African American, 1.09% Native American, 0.90% Asian, 0.18% Pacific Islander, 2.88% from other races, and 2.91% from two or more races. 6.69% of the population were Hispanic or Latino of any race. 17.4% were of German, 12.9% English, 10.2% Irish and 8.8% United States or American ancestry. 92.7% spoke only English at home, while 5.6% spoke Spanish.