For 18 counties, population changes are shown from 1910 or 1920 ... either because a county was formed after 1900 or because its boundaries changed significantly after 1900. The boundaries of South Carolina counties have not changed significantly since 1920.
SC counties ranked by their populations in 2005
– Data table | Map
SC counties ranked by their population growth rates between 1900 and 2005
– Data table | Map
Population growth in Charleston, Greenville, and Richland counties between 1900 and 2000
– Graph
This is a collection of simple graphs that show how the populations of South Carolina's 46 counties have changed since 1900, compared with the populations of the state as a whole and the United States.