Millstone's
Daily Encourager

Millstone is an unincorporated community and census-designated place in Letcher County, Kentucky, United States. As of the 2020 census, Millstone had a population of 92. 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.