 For every 100 females age 18 and over, there were 117.9 males.The 3,598 housing units averaged 777.8 per square mile (300.3/km²), of which 1,536 (45.1%) were owner-occupied, and 1,869 (54.9%) were occupied by renters.The homeowner vacancy rate was 1.5%; the rental vacancy rate was 3.3%; 7,065 people (46.7% of the population) lived in owner-occupied housing units and 8,054 people (53.3%) lived in rental housing units.