100 Lowest Income ZIP Codes in the United States in Washington County, Iowa
Explore the 100 ZIP codes with the lowest median household income in the United States using U.S. Census data. This page lists ZIP codes located in Washington County, Iowa.
| Rank | ZIP Code | City | State | Median Household Income |
|---|---|---|---|---|
| 1 | 52540 | BRIGHTON | IA | $56,908 |
| 2 | 52356 | WELLMAN | IA | $57,193 |
| 3 | 52353 | WASHINGTON | IA | $60,409 |
| 4 | 52247 | KALONA | IA | $79,476 |
| 5 | 52327 | RIVERSIDE | IA | $80,642 |
| 6 | 52201 | AINSWORTH | IA | $96,563 |