Sugar Grove Township, Mercer County, Pennsylvania

[5] According to the United States Census Bureau, the township has a total area of 12.3 square miles (31.9 km2), of which 12.3 square miles (31.8 km2) is land and 0.08% is water.

As of the census[6] of 2000, there were 909 people, 363 households, and 283 families residing in the township.

There were 377 housing units at an average density of 30.7 per square mile (11.9/km2).

There were 363 households, out of which 27.5% had children under the age of 18 living with them, 67.5% were married couples living together, 8.0% had a female householder with no husband present, and 22.0% were non-families.

19.3% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older.