Limestone Township, Warren County, Pennsylvania

As of the census[4] of 2000, there were 418 people, 190 households, and 118 families residing in the township.

The population density was 13.4 people per square mile (5.2 people/km2).

There were 1,109 housing units at an average density of 35.6 per square mile (13.7/km2).

There were 190 households, out of which 24.7% had children under the age of 18 living with them, 50.0% were married couples living together, 10.0% had a female householder with no husband present, and 37.4% were non-families.

32.1% of all households were made up of individuals, and 14.7% had someone living alone who was 65 years of age or older.