Gaston County, North Carolina Zip Codes
| Gastonia | 40,345 |
| Gastonia | 35,894 |
| Gastonia | 35,493 |
| Belmont | 26,027 |
| Mount Holly | 23,418 |
| Dallas | 19,063 |
| Stanley | 15,678 |
| Cherryville | 13,702 |
| Bessemer City | 13,234 |
| Lowell | 3,573 |
| Cramerton | 2,925 |
| Alexis | 1,206 |
| McAdenville | 1,048 |
| High Shoals | 389 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.