Students find the following Tennessee state facts in this printble: Tennessee state abbreviation: TN. Tennessee state census region: East South Central. Tennessee state area (sq miles): 42,144. Tennessee state capital: Nashville. Tennessee state population: 6,346,105. Tennessee state motto: Agriculture and commerce. Tennessee state song: "My Homeland, Tennessee". Tennessee state bird: Northern mockingbird. Tennessee state flower: Iris. Tennessee state tree: Tulip-tree. Tennessee state insect: Monarch butterfly. Tennessee state mammal: Raccoon (1972) - land mammal.