Potosi
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 1.66
- State:
- Wisconsin
Potosi is a village located in Grant County, Wisconsin. Potosi has a 2026 population of 656. Potosi is currently declining at a rate of -0.15% annually but its population has increased by 1.39% since the most recent census, which recorded a population of 647 in 2020.