As of the 2000 census, there were 572,059 people, 248,338 households, and 114,235 families residing in the city. The population density was 9,316.4 per square mile (3,597.3/km²). There were 274,845 housing units at an average density of 1,728.3/km² (4,476.1/mi²). The racial makeup of the city was 60.01% Black or African American, 32.78% White, 2.66% Asian, 0.30% Native American, 0.06% Pacific Islander, 3.84% from other races, and 2.35% from two or more races. 7.86% of the population were Hispanic or Latino of any race, with Salvadoran being the largest Hispanic group. A plurality of whites are of British ancestry.