Original: There are 19,915 housing units at an average density of 6,007.2 / km2 (15,610.7 / mi2).
Simplified: The population density is 11,636.5 / km ² (30,239.2 / mi ²). There are 19,915 housing units at an average density of 6,007.2 / km ² (15,610.7 / mi ²).