As of the census of 2000, there are 84,084 people, 44,497 households, and 16,775 families in the city. The population density is 10,178.7 inhabitants per square mile (3,930.4/km²). There are 47,863 housing units at an average density of 5,794.0 per square mile (2,237.3/km²). The racial makeup of the city is 78.29% White, 7.25% Asian, 3.78% African American, 0.47% Native American, 0.10% Pacific Islander, 5.97% from other races, and 4.13% from two or more races. 13.44% of the population are Hispanic or Latino of any race. There are 44,497 households, out of which 15.8% have children under the age of 18, 27.5% are married couples living together, 7.5% have a female householder with no husband present, and 62.3% are non-families. 51.2% of all households are made up of individuals and 10.6% have someone living alone who is 65 years of age or older. The average household size is 1.83 and the average family size is 2.80.