| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Arena | Standard | $420,530 |
| Avoca | Standard | $170,230 |
| Barneveld | Standard | $353,800 |
| Black Earth | Standard | $460,970 |
| Blanchardville | Standard | $386,400 |
| Blue Mounds | Standard | $561,660 |
| Cobb | Standard | $259,640 |
| Dodgeville | Standard | $495,910 |
| Highland | Standard | $274,570 |
| Hollandale | Standard | $434,600 |
| Linden | Standard | $117,700 |
| Livingston | Standard | $164,610 |
| Mazomanie | Standard | $383,320 |
| Mineral Point | Standard | $402,190 |
| Montfort | Standard | $190,320 |
| Muscoda | Standard | $346,400 |
| Rewey | Standard | $142,380 |
| Ridgeway | Standard | $156,680 |
| Spring Green | Standard | $453,780 |
| Platteville | Standard | $529,600 |
Source: US Internal Revenue Service