
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 2025 population of 9,718. It is also the county seat of Monroe County. Sparta is currently declining at a rate of -0.63% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 10,027 in 2020.
The average household income in Sparta is $73,027 with a poverty rate of 12.02%. The median age in Sparta is 36.6 years: 34.9 years for males, and 37.9 years for females.