There were 11,590 housing units at an average density of 144.3 persons/km 2  (373.8 persons/sq mi). The racial makeup of the town was 91.60% White, 0.75%  African American , 0.06%  Native American , 5.73%  Asian , 0.04% Pacific Islander, 0.84% from other races, and 0.99% from two or more races. 1.81% of the