As of the census of 2000, there were 142,361 people, 39,384 households, and 31,467 families residing in the county. The population density was 34 people per square mile (13/km2). There were 43,891 housing units at an average density of 10 per square mile (4/km2). The racial makeup of the county was 49.4% White, 4.0% Black or African American, 1.9% Native American, 2.0% Asian, 0.1% Pacific Islander, 39.1% from other races, and 3.7% from two or more races. 72.2% of the population were Hispanic or Latino of any race. 65.7% spoke Spanish at home, while 32.3% spoke only English.