U.S. state profile · SC
South Carolina: area, population and density
South Carolina has 30,064 sq mi of land and a 2025 population estimate of 5,570,274; calculated population density is 72 people/km².
Sources: U.S. Census Bureau Gazetteer Files · 2026 · U.S. Census Bureau Population Estimates Program · 2025.
South Carolina ranks 40th of 51 by land area, 23rd by population and 19th by calculated population density among the U.S. states and DC. Density uses the displayed population divided by land area converted to square kilometres.
- Land area
- 30,064 sq miU.S. Census Bureau Gazetteer Files · 2026
- Population
- 5,570,274U.S. Census Bureau Population Estimates Program · 2025
- Calculated density
- 72 people/km²Population ÷ land area in km²
Reading the figures
South Carolina in the U.S. comparison set
South Carolina has 30,064 sq mi of land area and a population estimate of 5,570,274 for 2025. In the 51-place state and DC set, it is 40th by land area, 23rd by population, and 19th by calculated density.
Density is not a separately reported value here. It is calculated from the population and land area above, converted to square kilometres, so the result can be compared with supported country figures.
U.S. boundary outline: Census TIGER/Line 2025. The drawing is fitted to this profile panel; use a comparison page for a shared-area scale.