| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Brownsville | Standard | $73,980 |
| Campbellsport | Standard | $68,850 |
| Hartford | Standard | $74,230 |
| Horicon | Standard | $55,810 |
| Hustisford | Standard | $56,620 |
| Iron Ridge | Standard | $63,460 |
| Ixonia | Standard | $76,410 |
| Juneau | Standard | $64,130 |
| Lomira | Standard | $60,990 |
| Mayville | Standard | $62,400 |
| Neosho | Standard | $68,640 |
| Oconomowoc | Standard | $127,040 |
| Rubicon | Standard | $80,590 |
| Theresa | Standard | $63,180 |
| Watertown | Standard | $61,370 |
| Lowell | Standard | $53,970 |
| Reeseville | Standard | $60,880 |
| Waterloo | Standard | $60,610 |
| Beaver Dam | Standard | $60,120 |
| Burnett | Standard | $56,900 |
| Columbus | Standard | $68,500 |
| Fall River | Standard | $67,570 |
| Fox Lake | Standard | $57,030 |
| Markesan | Standard | $66,250 |
| Randolph | Standard | $65,230 |
| Waupun | Standard | $61,610 |
Source: US Internal Revenue Service