[5] It was named for Philip Sheridan, a Union Army general.

As of the census[3] of 2000, there were 969 people, 409 households, and 280 families residing in the township.

There were 1,013 housing units at an average density of 29.5 per square mile (11.4/km2).

There were 409 households, out of which 20.0% had children under the age of 18 living with them, 57.7% were married couples living together, 6.8% had a female householder with no husband present, and 31.5% were non-families.

25.9% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older.