Founded in 1855, Polk County is one of 100 counties in the state of North Carolina. Historically, Polk County was formed from Henderson County and Rutherford County. The city of Columbus is the county seat. With FIPS code of 149, Polk County has a population of 19,656 and area of 239 square miles (619 km2).
List of all cities in Polk County, NC alphabetically
| City/Town | Postal Code | Area Code |
| Columbus, NC | 28722 | 828 |
| Lynn, NC | 28750 | 828 |
| Mill Spring, NC | 28756 | 828 |
| Saluda, NC | 28773 | 828 |
| Tryon, NC | 28782 | 828 |