Sepo, Illinois
| Sepo, Illinois | |
|---|---|
| Coordinates: 40°20′37″N 90°07′09″W / 40.34361°N 90.11917°W | |
| Country | United States | 
| State | Illinois | 
| County | Fulton | 
| Elevation | 453 ft (138 m) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| Area code | 309 | 
| GNIS feature ID | 423176 | 
Sepo is an unincorporated community in Fulton County, Illinois, United States. Sepo is southeast of Lewistown. The name has been given to the Sepo ceramics culture c. 1000 BCE.