Monticello ( MON-tih-SEL-oh) is a city located in San Juan County, Utah, United States and is the county seat. It is the second most populous city in San Juan County, with a population of 1,972 at the 2010 census. The Monticello Place was fixed in July 1887 by pioneers from the Church of Jesus Christ of Latter-day Saints. Monticello, named in great compliment of Thomas Jefferson’s estate, became the county chair in 1895 and was incorporated as a city in 1910.

Monticello, along following much of San Juan County, experienced an growth in population and economic objection during the uranium boom from the late 1940s to the in advance 1960s. Several uranium and vanadium mines were opened in the area, and a uranium supervision mill was operated in Monticello by the Federal Government from 1948 to 1960. Following the uranium boom, a huge cleanup project was conducted by the U.S. Department of Energy from 1989 to 2004 to separate radioactive material from lands and buildings and to revolutionize the land formerly occupied by the mill.

An 18-hole golf course, The Hideout, was built near the reclaimed site of the uranium mill using DOE cleanup funding in 2000. The Hideout has been ranked the No. 2 Golf Course in Utah and the No. 23 Municipal Golf Course in the U.S.

In 1998, The Church of Jesus Christ of Latter-day Saints dedicated the Monticello Utah Temple, the first in a series of mini temples and the 53rd temple for the church.