There are no other incorporated municipalities and no named settlements or unincorporated communities in the primarily agricultural township.

The entire township is drained by various tributaries of the Coldwater River.

Marble Lake, which drains into the Sauk River, is a major feature of the south central portion of Quincy Township.

[4] As of the census[1] of 2000, there were 4,411 people, 1,617 households, and 1,159 families residing in the township.

23.0% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.