Founded in 1853, Sibley County is one of 87 counties in the state of Minnesota. Historically, Sibley County was formed from Dakota County. The city of Gaylord is the county seat. With FIPS code of 143, Sibley County has a population of 14,917 and area of 588.65 square miles (1,525 km2).
List of all cities in Sibley County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Arlington, MN | 55307 | 507 |
| Gaylord, MN | 55334 | 507 |
| Gibbon, MN | 55335 | 507 |
| Green Isle, MN | 55338 | 507 |
| Henderson, MN | 56044 | 507 |
| New Auburn, MN | 55366 | 320 |
| Winthrop, MN | 55396 | 507 |