As of the census[7] of 2000, there were 38,981 people, 12,919 households, and 10,244 families residing in the town. The population density was 1,505.9 people per square mile (581.3/km²). There were 13,071 housing units at an average density of 504.9/sq mi (194.9/km²). The racial makeup of the town was 94.68% Caucasian, 1.11% African American, 0.10%Native American, 2.76% Asian, 0.04% Pacific Islander, 0.33% from other races, and 0.99% from two or more races. Hispanic or Latino of any race were 1.54% of the population.

There were 12,919 households out of which 37.4% had children under the age of 18 living with them, 66.1% were married couples living together, 9.4% had a female householder with no husband present, and 20.7% were non-families. 16.4% of all households were made up of individuals and 5.3% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.30.

In the town the population was spread out with 25.7% under the age of 18, 7.3% from 18 to 24, 34.6% from 25 to 44, 24.0% from 45 to 64, and 8.4% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 103.5 males. For every 100 females age 18 and over, there were 102.2 males.

The median income for a household in the town was $67,799, and the median income for a family was $72,102. Males had a median income of $47,014 versus $33,862 for females. Theper capita income for the town was $24,953. About 2.8% of families and 3.8% of the population were below the poverty line, including 4.5% of those under age 18 and 4.3% of those age 65 or over.

Source: Wikipedia.org