As of the census of 2000, there were 137,946 people, 54,542 households, and 36,270 families residing in the city. The population density was 6,715.7 inhabitants per square mile (2,593.1/km2). There were 55,967 housing units at an average density of 2,724.7 per square mile (1,052.0/km2). The racial makeup of the city was 59.2% White, 28.6% Asian, 2.2% Black or African American, 0.4% Native American, 0.4% Pacific Islander, 4.6% from other races, and 4.7% from two or more races. 12.8% of the population were Hispanic or Latino of any race.