| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Big Pool | Standard | $179,560 |
| Boonsboro | Standard | $373,980 |
| Cascade | Standard | $141,980 |
| Clear Spring | Standard | $471,530 |
| Fairplay | Standard | $301,820 |
| Hagerstown | Standard | $344,280 |
| Hagerstown | Standard | $537,330 |
| Hancock | Standard | $276,970 |
| Keedysville | Standard | $340,820 |
| Knoxville | Standard | $332,490 |
| Maugansville | Standard | $134,060 |
| Rohrersville | Standard | $358,050 |
| Sabillasville | Standard | $314,700 |
| Sharpsburg | Standard | $412,260 |
| Smithsburg | Standard | $345,280 |
| Williamsport | Standard | $402,190 |
Source: US Internal Revenue Service
