2020 census As of the
2020 census, Bel Air had a population of 10,661. The median age was 40.2 years. 20.1% of residents were under the age of 18 and 20.3% of residents were 65 years of age or older. For every 100 females there were 92.7 males, and for every 100 females age 18 and over there were 88.2 males age 18 and over. 100.0% of residents lived in urban areas, while 0.0% lived in rural areas. There were 4,711 households in Bel Air, of which 27.1% had children under the age of 18 living in them. Of all households, 39.6% were married-couple households, 20.3% were households with a male householder and no spouse or partner present, and 32.4% were households with a female householder and no spouse or partner present. About 35.8% of all households were made up of individuals and 16.6% had someone living alone who was 65 years of age or older. There were 4,921 housing units, of which 4.3% were vacant. The homeowner vacancy rate was 0.9% and the rental vacancy rate was 4.4%.
2010 census As of the
census of 2010, there were 10,120 people, 4,491 households, and 2,568 families living in the town. The
population density was . There were 4,744 housing units at an average density of . The
racial makeup of the town was 89.8% White, 4.4% African American, 0.2% Native American, 1.8% Asian, 0.1% Pacific Islander, 1.7% from other races, and 2.0% from two or more races. Hispanic or Latino people of any race were 4.3% of the population. There were 4,491 households, of which 26.9% had children under the age of 18 living with them, 41.0% were married couples living together, 11.4% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 42.8% were non-families. 36.3% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.89. The median age in the town was 40.3 years. 20.5% of residents were under the age of 18; 8.9% were between the ages of 18 and 24; 26.1% were from 25 to 44; 26.1% were from 45 to 64; and 18.4% were 65 years of age or older. The gender makeup of the town was 47.8% male and 52.2% female.
2000 census As of the
census of 2000, there were 10,080 people, 4,235 households, and 2,511 families living in the town. The population density was . There were 4,444 housing units at an average density of . The
racial makeup of the town was 92.82% White, 4.38% African American, 0.20% Native American, 1.41% Asian, 0.03% Pacific Islander, 0.27% from other races, and 0.90% from two or more races. Hispanic or Latino of any race were 1.22% of the population. There were 4,235 households, out of which 28.2% had children under the age of 18 living with them, 45.2% were married couples living together, 10.4% had a female householder with no husband present, and 40.7% were non-families. 35.2% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.94. In the town the population was spread out, with 22.1% under the age of 18, 8.2% from 18 to 24, 30.5% from 25 to 44, 21.8% from 45 to 64, and 17.4% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 94.0 males. For every 100 females age 18 and over, there were 91.1 males. The median income for a household in the town was $44,135, and the median income for a family was $58,299. Males had a median income of $42,412 versus $29,207 for females. The
per capita income for the town was $23,737. 6.4% of the population and 4.0% of families were below the poverty line. Out of the total people living in poverty, 7.6% are under the age of 18 and 6.5% are 65 or older. ==Infrastructure==