Millston is a town in Jackson County, Wisconsin, United States. The population was 136 at the 2000 census. The unincorporated community of Speck Oaks is located in the town. The census-designated place of Millston is also located in the town.According to the United States Census Bureau, the town has a total area of 72.4 square miles, of which, 70.9 square miles of it is land and 1.5 square miles of it is water.As of the census of 2000, there were 136 people, 69 households, and 36 families residing in the town. The population density was 1.9 people per square mile. There were 98 housing units at an average density of 1.4 per square mile. The racial makeup of the town was 94.12% White and 5.88% Native American.There were 69 households out of which 14.5% had children under the age of 18 living with them, 43.5% were married couples living together, 2.9% had a female householder with no husband present, and 46.4% were non-families. 40.6% of all households were made up of individuals and 14.