The map above shows South Carolina and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Carolina vs Western Australia Geography
Land area: South Carolina has a land area of 30,064 square miles (77,866 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 32.5 times larger than South Carolina's.
Total area: South Carolina: 32,024 square miles (82,940 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 30.5 times larger than South Carolina's.
Length: South Carolina is 236 miles (380 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 6.7 times (574%) longer than South Carolina's.
Width: South Carolina spans 279 miles (449 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 4.6 times (361%) wider than South Carolina's.
Highest point: South Carolina's highest point is Sassafras Mountain at 3,497 feet (1,066 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Mount Meharry is 601 feet higher than Sassafras Mountain.
Lowest point: South Carolina's lowest point is Atlantic Ocean at 0 feet; Western Australia's is Indian Ocean at 0 feet. Both lowest points are at or near sea level.
South Carolina vs Western Australia Population and History
Population: South Carolina has a population of 5,478,831 (2024), while Western Australia has 3,061,672 (2025). South Carolina's population is 1.8 times (79%) larger than Western Australia's.
Population density: South Carolina: 182.2 people per square mile vs Western Australia: 3.1. South Carolina's population density is 58.8 times higher than Western Australia's.
Largest metro area: South Carolina's largest metropolitan area is Charlotte-Concord-Gastonia, NC-SC metro area (2,883,370 people) vs Western Australia's Greater Perth (2,452,765). Charlotte-Concord-Gastonia, NC-SC metro area's population is 1.2 times (18%) larger than Greater Perth's.
History: South Carolina: Admitted to the Union on May 23, 1788, as the 8th state. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, South Carolina is the older of the two by 113 years.
South Carolina vs Western Australia Economy
GDP: South Carolina's GDP is $357.1 billion (2024) vs Western Australia's $304.6 billion. South Carolina's economic output is 1.2 times (17%) larger than Western Australia's.
GDP per capita: South Carolina: $65,173 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.5 times (53%) higher than South Carolina's.
Official Websites
South Carolina official website · Western Australia official website
More Size Comparisons
All South Carolina size comparisons · All Western 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.