It was named for a large sycamore tree which has long since blown over.

[1] Sycamore Township covers an area of 114.67 square miles (297.0 km2) and contains one incorporated settlement, Cassoday.

According to the USGS, it contains one cemetery, Cassoday.

The stream of School Branch runs through this township.

This article about a location in Butler County, Kansas is a stub.