There were 161,095 housing units at an average density of 2,066.9 per square mile (798.0/km2).
43.4% of all households were made up of individuals, and 9.9% had someone living alone who was 65 years of age or older.
There were 166,012 housing units at an average density of 2,129.2 per square mile (822.1/km2).
The top 4 largest ancestries include German (19.8%), Irish (10.4%), English (5.4%), Italian (3.5%).
42.8% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.