Plum City
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 1.042
- State:
- Wisconsin
Plum City is a village located in Pierce County, Wisconsin. Plum City has a 2026 population of 591. Plum City is currently declining at a rate of -1.34% annually and its population has decreased by -1.01% since the most recent census, which recorded a population of 597 in 2020.