17 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 61068 | Rochelle | 14,788 |
| 61010 | Byron | 7,497 |
| 61061 | Oregon | 6,766 |
| 61064 | Polo | 3,757 |
| 61054 | Mount Morris | 3,610 |
| 61084 | Stillman Valley | 3,201 |
| 61020 | Davis Junction | 3,149 |
| 61030 | Forreston | 2,194 |
| 61047 | Leaf River | 1,622 |
| 61052 | Monroe Center | 1,145 |
| 61015 | Chana | 901 |
| 61049 | Lindenwood | 579 |
| 60113 | Creston | 306 |
| 61091 | Woosung | 248 |
| 60129 | Esmond | 229 |
| 61007 | Baileyville | 196 |
| 61043 | Holcomb | 143 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 17 ZCTAs in Ogle County, Illinois (US Census).