Upper Mahantongo Township, Pennsylvania

[2] According to the United States Census Bureau, the township has a total area of 14.8 square miles (38.4 km2), all land.

At the 2000 census,[4] there were 652 people, 250 households and 193 families living in the township.

The population density was 44.0 inhabitants per square mile (17.0/km2).

There were 250 households, of which 32.0% had children under the age of 18 living with them, 65.6% were married couples living together, 6.0% had a female householder with no husband present, and 22.4% were non-families.

18.0% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older.