 For every 100 females age 18 and over, there were 97.4 males.There were 4,799 housing units at an average density of 141.3 per square mile, of the occupied units 4,106 (89.9%) were owner-occupied and 459 (10.1%) were rented.The homeowner vacancy rate was 1.6%; the rental vacancy rate was 9.4%.12,647 people (90.0% of the population) lived in owner-occupied housing units and 1,402 people (10.0%) lived in rental housing units.