16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62056 | Litchfield | 8,528 |
| 62049 | Hillsboro | 7,871 |
| 62075 | Nokomis | 3,330 |
| 62560 | Raymond | 1,446 |
| 62017 | Coffeen | 1,127 |
| 62094 | Witt | 1,107 |
| 62533 | Farmersville | 908 |
| 62051 | Irving | 791 |
| 62032 | Fillmore | 765 |
| 62089 | Taylor Springs | 487 |
| 62015 | Butler | 423 |
| 62077 | Panama | 420 |
| 62572 | Waggoner | 420 |
| 62538 | Harvel | 342 |
| 62091 | Walshville | 339 |
| 62076 | Ohlman | 59 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Montgomery County, Illinois (US Census).