Sparta
- County:
- Monroe County
- County Seat:
- Yes
- Area (mi²):
- 7.996
- State:
- Wisconsin
Sparta is a city located in Monroe County, Wisconsin. Sparta has a 2026 population of 9,963. It is also the county seat of Monroe County. Sparta is currently growing at a rate of 0.2% annually but its population has decreased by -0.79% since the most recent census, which recorded a population of 10,042 in 2020.