Lewis Township, Union County, Pennsylvania

As of the census[4] of 2000, there were 1,405 people, 477 households, and 358 families residing in the township.

The population density was 36.3 inhabitants per square mile (14.0/km2).

There were 625 housing units at an average density of 16.1/sq mi (6.2/km2).

There were 477 households, out of which 39.2% had children under the age of 18 living with them, 65.0% were married couples living together, 5.5% had a female householder with no husband present, and 24.9% were non-families.

18.7% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older.