| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Ashley | Standard | $56,750 |
| Centerburg | Standard | $69,650 |
| Delaware | Standard | $91,030 |
| Dublin | Standard | $154,560 |
| Galena | Standard | $157,350 |
| Johnstown | Standard | $84,930 |
| Lewis Center | Standard | $104,850 |
| Marysville | Standard | $72,800 |
| Ostrander | Standard | $90,930 |
| Powell | Standard | $144,360 |
| Radnor | Standard | $76,900 |
| Sunbury | Standard | $87,500 |
| Westerville | Standard | $137,770 |
| Columbus | Standard | $67,570 |
| Marengo | Standard | $60,100 |
| Richwood | Standard | $58,410 |
| Waldo | Standard | $78,610 |
Source: US Internal Revenue Service