Elliott is an unincorporated community and census-designated place in Grenada County, Mississippi, United States, and part of the Grenada Micropolitan Statistical Area. As of the 2010 census it had a population of 990.Elliott is located on the southern edge of Grenada County, with its southern border following the Montgomery County line. It is along U.S. Route 51, 7 miles south of Grenada, the county seat, and 4 miles north of Duck Hill.