The map above shows South Australia and Victoria side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Australia vs Victoria Geography
Land area: South Australia has a land area of 380,048 square miles (984,321 km²), while Victoria has 87,806 square miles (227,416 km²). South Australia's land area is 4.3 times (333%) larger than Victoria's.
Total area: South Australia: 380,048 square miles (984,321 km²) vs Victoria: 87,806 square miles (227,416 km²), including inland and coastal water. South Australia's total area is 4.3 times (333%) larger than Victoria's.
Length: South Australia is 1,078 miles (1,735 km) long from north to south; Victoria is 466 miles (751 km). South Australia's north-south length is 2.3 times (131%) longer than Victoria's.
Width: South Australia spans 825 miles (1,328 km) east to west; Victoria spans 558 miles (897 km). South Australia's east-west width is 1.5 times (48%) wider than Victoria's.
Highest point: South Australia's highest point is Mount Woodroffe at 4,708 feet (1,435 m); Victoria's is Mount Bogong at 6,516 feet (1,986 m). Mount Bogong is 1,808 feet higher than Mount Woodroffe.
Lowest point: South Australia's lowest point is Lake Eyre at -49 feet; Victoria's is Southern Ocean at 0 feet. South Australia's lowest point is 49 feet lower.
South Australia vs Victoria Population and History
Population: South Australia has a population of 1,908,182 (2025), while Victoria has 7,104,349 (2025). Victoria's population is 3.7 times (272%) larger than South Australia's.
Population density: South Australia: 5.0 people per square mile vs Victoria: 80.9. Victoria's population density is 16.2 times higher than South Australia's.
Largest metro area: South Australia's largest metropolitan area is Greater Adelaide (1,491,015 people) vs Victoria's Greater Melbourne (5,435,590). Greater Melbourne's population is 3.6 times (265%) larger than Greater Adelaide's.
History: South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. Victoria: Became an Australian state at Federation on January 1, 1901; separated from New South Wales in 1851.
South Australia vs Victoria Economy
GDP: South Australia's GDP is $100.2 billion (2025) vs Victoria's $406.1 billion. Victoria's economic output is 4.1 times (305%) larger than South Australia's.
GDP per capita: South Australia: $52,511 per person vs Victoria: $57,162. Victoria's GDP per capita is 1.1 times (9%) higher than South Australia's.
Official Websites
South Australia official website · Victoria official website
More Size Comparisons
All South Australia size comparisons · All Victoria 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.