Jackson, MontanaJackson is an unincorporated community in Beaverhead County, Montana, United States. Jackson has a post office with a ZIP code 59736. As of the 2020 census, Jackson had a population of 36.HistoryThe post office opened on August 1, 1896. The town is named after the first postmaster, Anton H. Jackson.GeographyJackson lies on Montana Secondary Highway 278, south of Wisdom and northwest of Dillon. Hot springs are just east of the town. Warm Springs Creek flows nearby. Tweedy Mountain is to the east and Bannack State Park is to the south.ClimateThe climate type of Jackson is a subarctic climate, because of the influence of altitude, the average temperature of only 3 months per year exceeds.EducationJackson provides elementary education. High school is at Beaverhead County High School.