where is alvin sc
Berkeley County is a county in the U.S. state of South Carolina. As of the 2010 census, its population was 177,843. Its county seat is Moncks Corner.s of the census of 2000, there were 142,651 people, 49,922 households, and 37,691 families residing in the county. The population density was 130 people per square mile (50/kmÂ²). There were 54,717 housing units at an average density of 50 per square mile (19/kmÂ²).