 There were 8,632 housing units at an average density of 1,013.5 per square mile (391.3/km2), of which 4,323 (52.7%) were owner-occupied, and 3,873 (47.3%) were occupied by renters.The homeowner vacancy rate was 2.0%; the rental vacancy rate was 5.1%.13,562 people (55.3% of the population) lived in owner-occupied housing units and 10,952 people (44.6%) lived in rental housing units.