Springfield
- County:
- Robertson County
- County Seat:
- Yes
- Area (mi²):
- 13.654
- State:
- Tennessee
Springfield is a city located in Robertson County, Tennessee. Springfield has a 2026 population of 19,842. It is also the county seat of Robertson County. Springfield is currently growing at a rate of 1.68% annually and its population has increased by 5.49% since the most recent census, which recorded a population of 18,809 in 2020.