Mineville is a hamlet and census-designated place in the town of Moriah in Essex County, New York, United States. The population was 1,269 at the 2010 census. Prior to the 2010 census, it was part of the Mineville-Witherbee, New York census-designated place. Mineville and Witherbee are located in the northern part of Moriah, northwest of Port Henry. Mineville was named for the iron ore mines that used to operate here.Mineville is located at 44°5′35″N 73°31′6″W / 44.09306°N 73.51833°W / 44.09306; -73.51833. According to the United States Census Bureau, the CDP has a total area of 3.7 square miles, of which 0.01 square miles, or 0.17%, is water.The CDP is located along County Road 7 at the junction of County Road 6, 5 miles northwest of Port Henry.