South Carolina Population By County in 2017

Based on the US Census Vintage data estimates, in 2017, the population of South Carolina was 5,027,102. Among all South Carolina counties, Greenville[object Promise] had the highest population (507,484), followed by Richland[object Promise] (412,492), and Charleston[object Promise] (402,725). Allendale[object Promise] was the least populated county (9,010).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.