sentences:  The population density was 477 people per square mile (184/km²).There were 239,074 housing units at an average density of 205 per square mile (79/km²).The racial makeup of the county was 70.75% White, 2.77% Black or African American, 4.16% Native American, 1.93% Asian, 0.10% Pacific Islander, 16.07% from other races, and 4.22% from two or more races.