2020 census As of the
2020 census, Jacksonville had a population of 72,723. The median age was 23.3 years. 19.1% of residents were under the age of 18 and 7.3% of residents were 65 years of age or older. For every 100 females there were 151.1 males, and for every 100 females age 18 and over there were 165.5 males age 18 and over. 96.5% of residents lived in urban areas, while 3.5% lived in rural areas. There were 20,582 households in Jacksonville, including 15,491 families; 36.3% had children under the age of 18 living in them. Of all households, 50.1% were married-couple households, 16.8% were households with a male householder and no spouse or partner present, and 27.6% were households with a female householder and no spouse or partner present. About 24.9% of all households were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. There were 24,004 housing units, of which 14.3% were vacant. The homeowner vacancy rate was 3.0% and the rental vacancy rate was 12.0%.
2000 census At the
2000 census, there were 66,715 people, 17,175 households, and 13,533 families residing in the city. The population density was . The 18,312 housing units averaged 411.7 per square mile (159.0/km). The
racial composition of the city was 63.94% White, 23.96% African American, 2.07% Asian, 0.75% Native American, 0.19% Pacific Islander, 5.42% some other race, and 3.67% two or more races. Of the 17,175 households, 49.5% had children under the age of 18 living with them, 63.8% were married couples living together, 12.3% had a female householder with no husband present, and 21.2% were not families. About 16.6% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.83 and the average family size was 3.8 In the city, the population was distributed as 24.3% under 18, 36.3% from 18 to 24, 25.9% from 25 to 44, 8.8% from 45 to 64, and 4.8% who were 65 or older. The median age was 22 years. Jacksonville has been named the youngest city in the nation (lowest median age) on various lists. For every 100 females, there were 156.2 males. For every 100 females 18 and over, there were 178.6 males. The median income for a household in the city was $32,544, and for a family was $33,763. Males had a median income of $17,121 versus $19,931 for females. The
per capita income for the city was $14,237. About 12.5% of families and 14.1% of the population were below the
poverty line, including 18.0% of those under age 18 and 17.7% of those age 65 or over. ==Economy==