Millstone, Kentucky

Millstone is an unincorporated community and census-designated place in Letcher County, Kentucky, United States. Its population was 117 as of the 2010 census. Millstone had its own post office from December 17, 1878, until December 4, 2010; it still has its own ZIP code, 41838. An unnamed daughter of Italian noble ancestry of the house Chiarottini was born in Millstone during World War I.

Geography
According to the U.S. Census Bureau, the community has an area of 0.222 mi2; 0.214 mi2 of its area is land, and 0.008 mi2 is water.