54840 Zip Code
| City: | Grantsburg |
| State: | WI |
| County: | Burnett County |
| Area Codes: | 715 |
| Latitude: | 45.78 |
| Longitude: | -92.68 |
| Time Zone: | America/Chicago |
| Population in 2010: | 4,643 |
| School District: | Frederic School District |
| District Code: | 4860 |
| City: | Grantsburg |
| State: | WI |
| County: | Burnett County |
| Area Codes: | 715 |
| Latitude: | 45.78 |
| Longitude: | -92.68 |
| Time Zone: | America/Chicago |
| Population in 2010: | 4,643 |
| School District: | Frederic School District |
| District Code: | 4860 |
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