| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Grantsburg | 1 | 1,384 | 1,336 | 0.73% | 455 | 3 | Village |
| Siren | 2 | 943 | 829 | 2.5% | 693 | 1 | Village |
| Webster | 3 | 724 | 694 | 0.7% | 413 | 2 | Village |
Grantsburg is the largest city in Burnett County, with a population of 1,384.
Webster is the smallest city in Burnett County, with a population of 724.
There are 3 cities in Burnett County, Wisconsin.