Monticello, Illinois ZIP Codes
1 ZIP codes | Population: 8,226
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 61856 | 8,226 | $103,559 | $230,900 | 42.90 |
1 ZIP codes | Population: 8,226
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 61856 | 8,226 | $103,559 | $230,900 | 42.90 |