Biron
- County:
- Portage County
- County Seat:
- No
- Area (mi²):
- 4.637
- State:
- Wisconsin
Biron is a village located in Portage County, Wisconsin. Biron has a 2026 population of 851. Biron is currently declining at a rate of -0.12% annually but its population has increased by 1.19% since the most recent census, which recorded a population of 841 in 2020.