City levels are determined by the county in which they are located. If the city is not named below, it may be located within a county listed below. Visit the National Association of Counties website and type the city name into the "City/Zip Search" tab to determine the city's county. If the city is not listed below or is not located in a county below, that city is a Level 1.
| Level | City | County |
|---|---|---|
| 3 | Aiken | Aiken |
| 4 | Charleston | Charleston / Berkeley / Dorchester |
| 3 | Columbia | Richland / Lexington |
| 4 | Hilton Head | Beaufort |
| 3 | Myrtle Beach | Horry |