 For every 100 females age 18 and over, there were 283.0 males.There were 3,539 housing units at an average density of 354.9 per square mile (137.0/km2), of which 1,841 (59.0%) were owner-occupied, and 1,280 (41.0%) were occupied by renters.The homeowner vacancy rate was 3.2%; the rental vacancy rate was 12.2%.