Atwood is a town in Carroll County, Tennessee, United States. The population was 938 at the 2010 census.
Atwood was incorporated as a town in 1941.
According to the United States Census Bureau, the town has a total area of 1.9 square miles (4.9 km2), all land.
At the 2000 census, there were 1,000 people, 430 households and 304 families residing in the town. The population density was 525.7 per square mile (203.2/km2). There were 460 housing units at an average density of 241.8 per square mile (93.5/km2). The racial makeup of the town was 83.00% White, 15.90% African American, 0.10% Native American, 0.30% from other races, and 0.70% from two or more races. Hispanic or Latino of any race were 0.80% of the population.
There were 430 households, of which 24.4% had children under the age of 18 living with them, 57.2% were married couples living together, 11.6% had a female householder with no husband present, and 29.3% were non-families. 27.7% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older.