2020 census

The 2020 United States census counted 8,262 people, 3,080 households, and 2,234 families in Bel Aire.^[10][11] The population density was 1,221.5 per square mile (471.6/km²). There were 3,258 housing units at an average density of 481.7 per square mile (186.0/km²).^[11][12] The racial makeup was 74.27% (6,136) white or European American (72.25% non-Hispanic white), 9.92% (820) black or African-American, 0.5% (41) Native American or Alaska Native, 4.56% (377) Asian, 0.04% (3) Pacific Islander or Native Hawaiian, 2.01% (166) from other races, and 8.7% (719) from two or more races.^[13] Hispanic or Latino of any race was 7.6% (628) of the population.^[14]

Of the 3,080 households, 32.5% had children under the age of 18; 59.3% were married couples living together; 22.6% had a female householder with no spouse or partner present. 22.6% of households consisted of individuals and 11.9% had someone living alone who was 65 years of age or older.^[11] The average household size was 3.0 and the average family size was 3.3.^[15] The percent of those with a bachelor’s degree or higher was estimated to be 36.4% of the population.^[16]

23.7% of the population was under the age of 18, 8.3% from 18 to 24, 25.7% from 25 to 44, 23.2% from 45 to 64, and 19.1% who were 65 years of age or older. The median age was 38.3 years. For every 100 females, there were 109.0 males.^[11] For every 100 females ages 18 and older, there were 110.9 males.^[11]

The 2016-2020 5-year American Community Survey estimates show that the median household income was $84,605 (with a margin of error of +/- $20,847) and the median family income was $98,750 (+/- $21,163).^[17] Males had a median income of $44,161 (+/- $5,434) versus $33,880 (+/- $3,945) for females. The median income for those above 16 years old was $38,015 (+/- $7,931).^[18] Approximately, 4.8% of families and 7.2% of the population were below the poverty line, including 12.6% of those under the age of 18 and 1.0% of those ages 65 or over.^[19][20]

2010 census

As of the census^[21] of 2010, there were 6,769 people, 2,465 households, and 1,854 families living in the city.^[22] The population density was 991.1 inhabitants per square mile (382.7/km²). There were 2,554 housing units at an average density of 373.9 per square mile (144.4/km²). The racial makeup of the city was 81.1% White, 8.6% African American, 0.9% Native American, 4.5% Asian, 1.4% from other races, and 3.5% from two or more races. Hispanic or Latino of any race were 4.8% of the population.

There were 2,465 households, of which 38.7% had children under the age of 18 living with them, 65.3% were married couples living together, 7.2% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 24.8% were non-families. 21.3% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.75 and the average family size was 3.21.

The median age in the city was 36 years. 28.3% of residents were under the age of 18; 6.7% were between the ages of 18 and 24; 26.3% were from 25 to 44; 26.9% were from 45 to 64; and 11.6% were 65 years of age or older. The gender makeup of the city was 48.2% male and 51.8% female.

2000 census

As of the census of 2000, there were 5,836 people, 1,976 households, and 1,618 families living in the city. The population density was 2,680.8 inhabitants per square mile (1,035.1/km²). There were 2,024 housing units at an average density of 929.7 per square mile (359.0/km²). The racial makeup of the city was 85.47% White, 7.32% African American, 0.45% Native American, 3.68% Asian, 0.02% Pacific Islander, 1.10% from other races, and 1.97% from two or more races. Hispanic or Latino of any race were 3.02% of the population.

There were 1,976 households, out of which 47.3% had children under the age of 18 living with them, 73.4% were married couples living together, 6.8% had a female householder with no husband present, and 18.1% were non-families. 15.4% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 3.30.

In the city, the population was spread out, with 32.9% under the age of 18, 5.2% from 18 to 24, 33.2% from 25 to 44, 21.1% from 45 to 64, and 7.6% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 98.0 males. For every 100 females age 18 and over, there were 95.1 males.

As of 2000 the median income for a household in the city was $66,937, and the median income for a family was $72,091. Males had a median income of $50,236 versus $35,298 for females. The per capita income for the city was $23,202. About 3.7% of families and 4.8% of the population were below the poverty line, including 8.9% of those under age 18 and 3.0% of those age 65 or over.^[23]