100 Richest ZIP Codes in the United States in Warren County, Illinois
Explore the 100 ZIP codes with the highest median household income in the United States using U.S. Census data. This page lists ZIP codes located in Warren County, Illinois.
| Rank | ZIP Code | City | State | Median Household Income |
|---|---|---|---|---|
| 1 | 61447 | KIRKWOOD | IL | $85,750 |
| 2 | 61462 | MONMOUTH | IL | $62,679 |
| 3 | 61412 | ALEXIS | IL | $58,426 |
| 4 | 61473 | ROSEVILLE | IL | $54,722 |