 For every 100 females age 18 and over, there were 91.8 males.There were 169,710 housing units at an average density of , of which 153,791 were occupied, of which 63,142 (41.1%) were owner-occupied, and 90,649 (58.9%) were occupied by renters.The homeowner vacancy rate was 3.0%; the rental vacancy rate was 8.5%.