16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62812 | Benton | 11,396 |
| 62896 | West Frankfort | 10,959 |
| 62884 | Sesser | 2,809 |
| 62822 | Christopher | 2,597 |
| 62890 | Thompsonville | 2,338 |
| 62865 | Mulkeytown | 1,894 |
| 62983 | Royalton | 1,521 |
| 62999 | Zeigler | 1,520 |
| 62836 | Ewing | 913 |
| 62891 | Valier | 700 |
| 62897 | Whittington | 530 |
| 62860 | Macedonia | 468 |
| 62856 | Logan | 351 |
| 62874 | Orient | 335 |
| 62819 | Buckner | 267 |
| 62825 | Coello | 243 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Franklin County, Illinois (US Census).