How many places in America are called Grindstone Island?

There are 2 places named Grindstone Island in America.

All places in the world called "Grindstone Island".

Location Grindstone Island:

• Minnesota
• New York

Cities

Riverside (46)
Centerville (43)
Fairview (40)
Midway (39)
Franklin (39)
Union (37)
Greenwood (37)
Glendale (36)
Salem (36)
Marion (36)
Lincoln (35)
Fairfield (35)
Pleasant Valley (35)
Georgetown (35)
Oakland (35)
Liberty (35)
Greenville (34)
Bethel (34)
Springfield (34)
Clinton (34)
Arlington (34)
Florence (34)
Clifton (33)
Milton (33)
Hamilton (33)
Newport (33)
Farmington (33)
Chester (33)
Kingston (33)
Lakeview (32)