York is an unincorporated community and census-designated place (CDP) in Lewis and Clark County, Montana, United States. It is in the southeastern part of the county, northeast of Helena, the state capital. It sits at the southwestern base of the Big Belt Mountains, in the valley of Trout Creek, which flows southwest to the Missouri River in Hauser Lake.
York was first listed as a CDP prior to the 2020 census. As of the 2020 census, York had a population of 94.
The CDP is covered by a unified K-12 school district, East Helena K-12.