Thatcher is a census-designated place in Box Elder County, Utah, United States. It is a small farming community, located 3 miles southwest of Bothwell and 7 miles west of Tremonton. The population was 789 at the 2010 census. The community was named for Moses Thatcher, an apostle for the Church of Jesus Christ of Latter-day Saints. Thatcher was first settled in 1890. Thatcher Mountain, 2 miles to the west, is named after the community.