Chatham Township, Tioga County, Pennsylvania

(Clockwise) As of the census[4] of 2000, there were 587 people, 232 households, and 176 families residing in the township.

The population density was 16.8 people per square mile (6.5/km2).

There were 399 housing units at an average density of 11.4/sq mi (4.4/km2).

There were 232 households, out of which 29.3% had children under the age of 18 living with them, 69.8% were married couples living together, 2.6% had a female householder with no husband present, and 24.1% were non-families.

20.7% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older.