2020 census

As of the census of 2020, there were 13,394 people living in the city, for a population density of 1,766.09 per square mile (681.89/km²). There were 5,851 housing units. The racial makeup of the city was 74.0% White, 6.6% African American, 0.2% Native American, 13.2% Asian, 1.4% from other races, and 6.0% from two or more races. Hispanic or Latino of any race were 3.8% of the population.^[15]

There were 5,530 households, out of which 33.1% had children under the age of 18 living with them, 51.6% were married couples living together, 13.8% had a male householder with no spouse present, and 26.2% had a female householder with no spouse present. 25.5% of all households were made up of individuals, and 14.1% were someone living alone who was 65 years of age or older. The average household size was 2.37, and the average family size was 2.90.^[15]

23.8% of the city's population were under the age of 18, 56.7% were 18 to 64, and 19.5% were 65 years of age or older. The median age was 38.9. For every 100 females, there were 96.1 males.^[15]

According to the U.S. Census American Community Survey, for the period 2016-2020 the estimated median annual income for a household in the city was $103,658, and the median income for a family was $117,010. About 4.8% of the population were living below the poverty line, including 5.2% of those under age 18 and 6.4% of those age 65 or over. About 65.0% of the population were employed, and 34.8% had a bachelor's degree or higher.^[15]

2010 census

As of the census^[16] of 2010, there were 12,114 people, 5,015 households, and 3,404 families residing in the city. The population density was 1,598.2 inhabitants per square mile (617.1/km²). There were 5,360 housing units at an average density of 707.1 per square mile (273.0/km²). The racial makeup of the city was 79.9% White, 6.5% African American, 0.2% Native American, 10.6% Asian, 0.6% from other races, and 2.1% from two or more races. Hispanic or Latino of any race were 2.5% of the population.

There were 5,015 households, of which 31.1% had children under the age of 18 living with them, 53.7% were married couples living together, 10.4% had a female householder with no husband present, 3.8% had a male householder with no wife present, and 32.1% were non-families. 26.7% 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 2.40 and the average family size was 2.91.

The median age in the city was 41.6 years. 22.7% of residents were under the age of 18; 6.6% were between the ages of 18 and 24; 24.8% were from 25 to 44; 30.6% were from 45 to 64; and 15.4% were 65 years of age or older. The gender makeup of the city was 49.0% male and 51.0% female.

2000 census

As of the census^[5] of 2000, there were 12,513 people, 4,990 households, and 3,468 families residing in the city. The population density was 1,634.6 inhabitants per square mile (631.1/km²). There were 5,251 housing units at an average density of 686.0 per square mile (264.9/km²). The racial makeup of the city was 87.09% White, 5.01% African American, 0.25% Native American, 6.39% Asian, 0.02% Pacific Islander, 0.29% from other races, and 0.96% from two or more races. Hispanic or Latino of any race were 0.97% of the population.

There were 4,990 households, out of which 32.7% had children under the age of 18 living with them, 57.2% were married couples living together, 9.4% had a female householder with no husband present, and 30.5% were non-families. 25.3% of all households were made up of individuals, and 8.4% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.01.

In the city the population was spread out, with 25.4% under the age of 18, 6.4% from 18 to 24, 27.8% from 25 to 44, 26.1% from 45 to 64, and 14.2% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.7 males. For every 100 females age 18 and over, there were 91.0 males.

The median income for a household in the city was $81,591, and the median income for a family was $88,494. Males had a median income of $72,743 versus $65,060 for females. The per capita income for the city was $63,801. About 3.8% of families and 4.7% of the population were below the poverty line, including 6.8% of those under age 18 and 2.9% of those age 65 or over.