The map above shows South Carolina and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Carolina vs South Australia Geography
Land area
- South Carolina has a land area of 30,064 square miles (77,866 km²), while South Australia has 380,048 square miles (984,321 km²).
- South Australia's land area is 12.6 times larger than South Carolina's.
Total area
- South Carolina: 32,024 square miles (82,940 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water.
- South Australia's total area is 11.9 times larger than South Carolina's.
Length
- South Carolina is 236 miles (380 km) long from north to south; South Australia is 1,078 miles (1,735 km).
- South Australia's north-south length is 4.6 times (357%) longer than South Carolina's.
Width
- South Carolina spans 279 miles (449 km) east to west; South Australia spans 825 miles (1,328 km).
- South Australia's east-west width is 3.0 times (196%) wider than South Carolina's.
Highest point
- South Carolina's highest point is Sassafras Mountain at 3,497 feet (1,066 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m).
- Mount Woodroffe is 1,211 feet higher than Sassafras Mountain.
Lowest point
- South Carolina's lowest point is Atlantic Ocean at 0 feet; South Australia's is Lake Eyre at -49 feet.
- South Australia's lowest point is 49 feet lower.
South Carolina vs South Australia Population and History
Population
- South Carolina has a population of 5,478,831 (2024), while South Australia has 1,908,182 (2025).
- South Carolina's population is 2.9 times (187%) larger than South Australia's.
Population density
- South Carolina: 182.2 people per square mile vs South Australia: 5.0.
- South Carolina's population density is 36.4 times higher than South Australia's.
Largest metro area
- South Carolina's largest metropolitan area is Charlotte-Concord-Gastonia, NC-SC metro area (2,883,370 people) vs South Australia's Greater Adelaide (1,491,015).
- Charlotte-Concord-Gastonia, NC-SC metro area's population is 1.9 times (93%) larger than Greater Adelaide's.
History
- South Carolina: Admitted to the Union on May 23, 1788, as the 8th state.
- South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836.
- In its current form, South Carolina is the older of the two by 113 years.
South Carolina vs South Australia Economy
GDP
- South Carolina's GDP is $357.1 billion (2024) vs South Australia's $100.2 billion.
- South Carolina's economic output is 3.6 times (256%) larger than South Australia's.
GDP per capita
- South Carolina: $65,173 per person vs South Australia: $52,511.
- South Carolina's GDP per capita is 1.2 times (24%) higher than South Australia's.
Official Websites
South Carolina official website · South Australia official website
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More Size Comparisons
All South Carolina size comparisons · All South Australia size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.