Delco is an unincorporated community and census-designated place in Columbus County, North Carolina, United States. The population was 348 at the 2010 census.Delco is located near the eastern tip of Columbus County, at an elevation of 49 feet. Combined U.S. Routes 74 and 76 passes through the center of the community, leading east 18 miles to Wilmington and west 28 miles to Whiteville, the Columbus County seat. North Carolina Highway 87 leads northwest from Delco 32 miles to Elizabethtown.According to the United States Census Bureau, the Delco CDP has a total area of 1.5 square miles, all of it land.Acme Delco Middle School, home of the Trojans, is located in Delco.