Cedar Bluffs is an unincorporated community in Decatur County, Kansas, United States. History A post office was opened at Cedar Bluffs in 1873, and remained in operation until it was discontinued in 1958. Cedar Bluffs was laid out in about 1882. Education The community is served by Oberlin USD 294 public school district. References Further reading External links Decatur County maps: Current, Historic, KDOT Unincorporated communities in Decatur County, Kansas Unincorporated communities in Kansas