Thatcher is a census-designated place in Box Elder County, Utah, United States. It is a small farming community, located 3 miles (4.8 km) southwest of Bothwell and 7 miles (11 km) 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 (3.2 km) to the west, is named after the community.
As of the census of 2010, there were 789 people residing in the CDP. There were 230 housing units. The racial makeup of the town was 95.9% White, 0.5% Black or African American, 0.1% American Indian and Alaska Native, 0.1% Asian, 0.1% Native Hawaiian and Other Pacific Islander, 1.6% from some other race, and 1.5% from two or more races. Hispanic or Latino of any race were 2.4% of the population.