Dillon is a city in Dillon County, South Carolina, United States. The population was 6,316 at the 2000 census. It is the county seat of Dillon County.
Downtown Dillon is the intersection of US 301, US 501, SC 9, SC 34 and SC 57. I-95 has two exits to Dillon, and it is planned that I-73 will serve Dillon as part of a future southward expansion.
Amtrak, the national rail passenger carrier, provides daily service from Dillon with the Palmetto, which runs between Savannah, Georgia and New York City. Trains stop at the Dillon station, originally opened for passenger use by the Atlantic Coast Line Railroad in 1904. CSX owns both railroad lines which cross Dillon.