Sepo is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

in Fulton County,

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

, United States. Sepo is southeast of Lewistown. The name has been given to the

Sepo ceramics Sepo people are a theoretical Mississippian culture of the late Woodland period around 1000 BCE, present in Mississippian culture pottery of the Dickson Mounds.Late Woodland Societies Thomas E. Emerson, Dale L. McElrath, Andrew C. Fortier - 2000 08 ...

culture c. 1000 BCE.

References

Unincorporated communities in Fulton County, Illinois Unincorporated communities in Illinois {{FultonCountyIL-geo-stub