As of the census^[9] of 2010, there were 28,272 people, 11,553 households, and 7,656 families residing in the town. The population density was 717.7 inhabitants per square mile (277.1/km²). There were 10,644 housing units at an average density of 276.4 per square mile (106.7/km²). The racial makeup of the town was 97.9% White, 0.5% Black or African American, 0.2% Native American, 0.9% Asian, 0.1% Pacific Islander, 0.2% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.0% of the population.

There were 10,277 households, out of which 33.7% had children under the age of 18 living with them, 64.3% were married couples living together, 7.6% had a female householder with no husband present, and 25.5% were non-families. 22.1% of all households were made up of individuals, and 10.3% 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 3.09.

In the town, the population was spread out, with 25.2% under the age of 18, 5.7% from 18 to 24, 25.6% from 25 to 44, 26.8% from 45 to 64, and 16.6% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 92.6 males. For every 100 females age 18 and over, there were 87.7 males.

The median income for a household in the town was $100,575, and the median income for a family was $112,906. About 1.1% of families and 2.4% of the population were below the poverty line.