Tusculum, Tennessee

• Afton
• Tusculum Place
• Twin Oaks

As of the 2020 United States census, there were 3,298 people, 641 households, and 461 families residing in the city.

At the 2000 census,[7] there were 2,004 people, 590 households and 437 families residing in the city. The population density was 445.4 per square mile (172.0/km²). There were 620 housing units at an average density of 137.8 per square mile (53.2/km²). The racial makeup of the city was 95.41% White, 3.64% African American, 0.05% Native American, 0.50% Asian, 0.05% from other races, and 0.35% from two or more races. Hispanic or Latino of any race were 0.30% of the population.

There were 590 households, of which 24.4% had children under the age of 18 living with them, 64.4% were married couples living together, 7.3% had a female householder with no husband present, and 25.8% were non-families. 23.1% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.66.

12.7% of the population were under the age of 18, 18.3% from 18 to 24, 25.4% from 25 to 44, 28.8% from 45 to 64, and 14.9% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 106.2 males. For every 100 females age 18 and over, there were 104.2 males.

The median household income was $37,460 and the median family income was $50,074. Males had a median income of $31,607 and females $23,594. The per capita income was $15,834. About 5.8% of families and 6.1% of the population were below the poverty line, including 3.4% of those under age 18 and 9.0% of those age 65 or over.