Sumner Township is a township in Osborne County, Kansas, United States. As of the 2020 census, its population was 172.

Geography Sumner Township covers an area of 53.644 square miles (138.94 square kilometers). The South Fork Solomon River flows through it.

Communities Alton

Adjacent townships Grant Township, Osborne County (north) Hawkeye Township, Osborne County (northeast) Tilden Township, Osborne County (east) Kill Creek Township, Osborne County (southeast) Mount Ayr Township, Osborne County (south) Township 1, Rooks County (west)

Transportation Major highways

Further reading

References