Grindstone Twp is located in Maine. Grindstone Twp, Maine has a population of619.
The median household income in Grindstone Twp, Maine is $37,396. The median household income for the surrounding county is $53,053 compared to the national median of $66,222. The median age of people living in Grindstone Twp is 52.1 years.
The average high temperature in July is 78.5 degrees, with an average low temperature in January of 2.1 degrees. The annual precipitation is 42.34.