
Grantsburg
- County:
- Burnett County
- County Seat:
- No
- Area (mi²):
- 3.039
- State:
- Wisconsin
Grantsburg is a village located in Burnett County, Wisconsin. Grantsburg has a 2025 population of 1,353. Grantsburg is currently growing at a rate of 0.22% annually and its population has increased by 1.12% since the most recent census, which recorded a population of 1,338 in 2020.
The average household income in Grantsburg is $59,592 with a poverty rate of 18.36%. The median age in Grantsburg is 45.8 years: 46.3 years for males, and 45.7 years for females.