DARLINGTON, a town of north-eastern South Carolina, U.S.A., served by the Atlantic Coast Line and the Seaboard Air Line railways; the county seat of Darlington county. The popu lation was 4,669 in 192o (42% negro) and was 5,556 in 193o by the Federal census. It has a cotton factory with 51,000 spindles (1928), cotton-seed oil mills, tobacco warehouses and stemming plants, veneer and lumber mills and other manufacturing indus tries. The town was founded about 1785.