sentences:  There were 19,909 housing units at an average density of 77 per square mile (30/km2).The racial makeup of the county was 70.03% White, 20.46% Black or African American, 0.42% Native American, 0.67% Asian, 0.04% Pacific Islander, 7.33% from other races, and 1.06% from two or more races.11.65% of the population were Hispanic or Latino of any race.