Richmond Township surrounds the borough of Mansfield.

As of the census[4] of 2000, there were 2,475 people, 956 households, and 692 families residing in the township.

The population density was 48.7 inhabitants per square mile (18.8/km2).

There were 956 households, out of which 33.8% had children under the age of 18 living with them, 60.6% were married couples living together, 9.0% had a female householder with no husband present, and 27.6% were non-families.

21.9% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older.