Quick information summary of the Grindstone CDP area.
Grindstone CDP is located in the state of Pennsylvania. It occupies the area of 2 square miles. 0 square miles are water areas and 2 square miles remain for land areas. Center of the Grindstone CDP lies at +40.0221244, -079.8228193 coordinates. According to the 2010 Census, there are 498 living in the Grindstone CDP. The racial makeup shows these 3 races as the most frequent : White (96.79%), Black or African American (2.21%) and Two or More races (0.6%). Median age is 38 for the males and 42 for the females.