 For every 100 females, there were 93.0 males.For every 100 females age 18 and over, there were 89.2 males.There were 3,100 housing units at an average density of 857.9 per square mile, of the occupied units 2,714 (91.5%) were owner-occupied and 251 (8.5%) were rented.The homeowner vacancy rate was 1.8%; the rental vacancy rate was 4.9%.