ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
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| Batesburg | Standard | $355,650 |
| Cayce | Standard | $337,010 |
| Chapin | Standard | $533,260 |
| Gaston | Standard | $470,870 |
| Gilbert | Standard | $455,640 |
| Irmo | Standard | $469,340 |
| Leesville | Standard | $391,770 |
| Lexington | Standard | $530,630 |
| Lexington | Standard | $597,180 |
| Little Mountain | Standard | $304,090 |
| North | Standard | $165,350 |
| Pelion | Standard | $337,730 |
| Swansea | Standard | $516,930 |
| West Columbia | Standard | $436,320 |
| West Columbia | Standard | $388,130 |
| West Columbia | Standard | $370,000 |
| Columbia | Standard | $329,710 |
| Columbia | Standard | $540,630 |
Source: US Internal Revenue Service