 For every 100 females, there were 94.9 males.For every 100 females age 18 and over, there were 91.9 males.There were 13,555 housing units at an average density of 2,075.0 per square mile, of the occupied units 5,211 (43.3%) were owner-occupied and 6,812 (56.7%) were rented.The homeowner vacancy rate was 4.0%; the rental vacancy rate was 10.5%.