Wilmington Township, Mercer County, Pennsylvania

As of the census[6] of 2000, there were 1,105 people, 380 households, and 299 families residing in the township.

There were 392 housing units at an average density of 30.0 per square mile (11.6/km2).

The racial makeup of the township was 98.55% White, 0.09% African American, 0.36% Asian, 0.18% Pacific Islander, and 0.81% from two or more races.

There were 380 households, out of which 35.3% had children under the age of 18 living with them, 69.2% were married couples living together, 5.8% had a female householder with no husband present, and 21.3% were non-families.

19.7% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.