Monona
- County:
- Dane County
- County Seat:
- No
- Area (mi²):
- 3.259
- State:
- Wisconsin
Monona is a city located in Dane County, Wisconsin. Monona has a 2026 population of 8,616. Monona is currently growing at a rate of 1.4% annually but its population has decreased by -0.59% since the most recent census, which recorded a population of 8,667 in 2020.