Monticello is a city located in Wright County, Minnesota. As of the 2000 census, the city had a total population of 7,868. Monticello is located on the Mississippi River at the northern edge of Wright County. The community is home to Nuclear Management Company's Monticello Nuclear Generation Plant. During winter, hundreds of trumpeter swans nest near Mississippi Drive Park in Monticello as the Mississippi River is heated from warm water discharged by the Monticello Nuclear Generation Plant. Rapid population growth has led to numerous retail outlets constructed or being planned during 2004-2005, which includes Wal-Mart Supercenter, Target, Muller Family Movie Theatre, Home Depot, Applebee's, Wendy's, and Arby's. Monticello's local newspaper is the Monticello Times, which can be accessed at .
According to the United States Census Bureau, the city has a total area of 16.1 km2 (6.2 mi2). 16.1 km2 (6.2 mi2) of it is land and none of it is covered by water.