Sumnerville is an unincorporated community in Ottawa County, Kansas, United States. It is located north of Minneapolis. History A post office was opened in Sumnerville in 1867, and remained in operation until it was discontinued in 1895. Education The community is served by North Ottawa County USD 239 public school district. References Further reading External links Ottawa County maps: Current, Historic, KDOT Unincorporated communities in Kansas Unincorporated communities in Ottawa County, Kansas