Edmund is an unincorporated community and census-designated place in Lexington County, South Carolina, United States. It was first listed as a CDP in the 2020 census with a population of 969.The CDP is in central Lexington County, centered on the junction of South Carolina Highways 6 and 302. Highway 6 leads north 9 miles to Lexington, the county seat, and southeast 12 miles to Swansea, while Highway 302 leads northeast 10 miles to West Columbia and southwest 7 miles to Pelion.