As of the census of 2010, there were 255,755 people, 98,306 households, and 64,182 families residing in the county. The population density was 458 people per square mile (177/km2). There were 104,821 housing units at an average density of 188 per square mile (72.5/km2). The racial makeup of the county was 79.3% white, 4.2% black or African American, 4.7% Native American, 3.8% Asian, 0.1% Pacific Islander, 2.3% from other races, and 5.6% from two or more races. 7.0% of the population were Hispanic or Latino of any race.