At the 2000 census The population density was 7,183.6 inhabitants per square mile (2,773.9/km²). There were 75,662 housing units at an average density of 2,866.8 per square mile (1,107.0/km²). The racial makeup of the city was 79.2% Race (United States Census), 0.8% Race (United States Census) or Race (United States Census), 0.7% Race (United States Census), 9.3% Race (United States Census), 0.2% Race (United States Census), 5.8% from Race (United States Census), and 3.9% from two or more races. 14.7% of the population were Hispanics in the United States or Race (United States Census) of any race.. How many more inhabitants per square mile were there then housing units per square mile according to the 2000 census?