| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Beaufort | Standard | $482,330 |
| Beaufort | PO Box | $28,510 |
| Parris Island | PO Box | $30,800 |
| Beaufort | Standard | $405,500 |
| Beaufort | Standard | $491,240 |
| Okatie | Standard | $493,610 |
| Bluffton | Standard | $656,080 |
| Daufuskie Island | Standard | $839,500 |
| Saint Helena Island | Standard | $540,630 |
| Hilton Head Island | Standard | $496,000 |
| Hilton Head Island | Standard | $744,460 |
| Port Royal | Standard | $365,660 |
| Ridgeland | Standard | $382,610 |
| Seabrook | Standard | $416,420 |
| Sheldon | Standard | $1,263,260 |
| Yemassee | Standard | $651,300 |
Source: US Internal Revenue Service