17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 61068 | Rochelle | 15,076 |
| 61010 | Byron | 7,494 |
| 61061 | Oregon | 6,802 |
| 61064 | Polo | 3,891 |
| 61054 | Mount Morris | 3,617 |
| 61020 | Davis Junction | 3,197 |
| 61084 | Stillman Valley | 3,166 |
| 61030 | Forreston | 1,911 |
| 61047 | Leaf River | 1,728 |
| 61052 | Monroe Center | 1,160 |
| 61015 | Chana | 870 |
| 61049 | Lindenwood | 606 |
| 60113 | Creston | 301 |
| 61007 | Baileyville | 280 |
| 60129 | Esmond | 220 |
| 61043 | Holcomb | 166 |
| 61091 | Woosung | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Ogle County, Illinois (US Census).