had children under the age of 18 living with them, 59.1% were married couples living together, 9.6% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 27.5% were non-families. 24.6% of all households were made up of individuals, and 13.1% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.10. The median age in the town was 44.8 years. 23.4% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 20.1% were from 25 to 44; 30.9% were from 45 to 64; and 18.7% were 65 years of age or older. The gender makeup of the town was 48.0% male and 52.0% female. The average was done in 1999. 2000 census As of the census of 2000, there were 21,511 people, 8,091 households, and 6,141 families residing in the town. The population density was . There were 8,339 housing units at an average density of . The racial makeup of the town was 92.28% White, 1.03% African American, 0.06% Native American, 4.49% Asian, 0.02% Pacific Islander, 1.10% from other races, and 1.02% from two or more races. Hispanic or Latino of any race were 4.88% of the population. There were 8,091 households, out of which 33.2% had children under the age of 18 living with them; 65.5% were married couples living together, 8.0% had a female householder with no husband present, and 24.1% were non-families. 21.8% of all households were made up of individuals, and 12.0% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.07. In the town, the population was spread out, with 24.3% under the age of 18, 5.5% from 18 to 24, 24.0% from 25 to 44, 27.5% from 45 to 64, and 18.8% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 91.9 males. For every 100 females age 18 and over, there were 87.4 males. The median income for a household in the town was $63,243, and the median income for a family was $74,255. Males had a median income of $53,387 versus $34,490 for females. The per capita income for the town was $30,952. About 2.8%