Springfield is a city in and the county seat of Robertson County, which is located in Middle Tennessee on the northern border of the state. The population was 16,478 at the 2010 census and 16,809 in 2016.
Springfield is located at 36°29′58″N 86°52′43″W (36.499508, -86.878717).
According to the United States Census Bureau, the city has a total area of 12.2 square miles (32 km2), all land.
As of the census of 2000, there were 14,329 people, 5,453 households, and 3,778 families residing in the city. The population density was 1,173.9 people per square mile (453.1/km²). There were 5,836 housing units at an average density of 478.1 per square mile (184.5/km²). The racial makeup of the city was 70.56% White, 25.91% African American, 0.37% Native American, 0.56% Asian, 0.03% Pacific Islander, 1.76% from other races, and 0.81% from two or more races. Hispanic or Latino of any race were 6.94% of the population.
There were 5,453 households out of which 31.8% had children under the age of 18 living with them, 45.7% were married couples living together, 18.4% had a female householder with no husband present, and 30.7% were non-families. 25.8% of all households were made up of individuals and 11.7% had someone living alone who was 65 years of age or older.