 There were 108,091 housing units at an average density of 256/sqmi (98.7/km²).The 2010 United States Census found that 330,844 people were in the county.At the time of the 2000 Census, the racial makeup of the county was 93.64 percent white, 1.60 percent black or African American, 0.70 percent Native American, 1.69 percent Asian, 0.02 percent Pacific Islander, 0.65 percent from other races, and 1.71 percent from two or more races, and 1.66 percent of the population were Hispanic or Latino of any race.