The map above shows South Dakota and Victoria side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs Victoria Geography
Land area: South Dakota has a land area of 75,808 square miles (196,342 km²), while Victoria has 87,806 square miles (227,416 km²). Victoria's land area is 1.2 times (16%) larger than South Dakota's.
Total area: South Dakota: 77,116 square miles (199,729 km²) vs Victoria: 87,806 square miles (227,416 km²), including inland and coastal water. Victoria's total area is 1.1 times (14%) larger than South Dakota's.
Length: South Dakota is 443 miles (712 km) long from north to south; Victoria is 466 miles (751 km). Victoria's north-south length is 1.1 times (5%) longer than South Dakota's.
Width: South Dakota spans 371 miles (597 km) east to west; Victoria spans 558 miles (897 km). Victoria's east-west width is 1.5 times (50%) wider than South Dakota's.
Highest point: South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); Victoria's is Mount Bogong at 6,516 feet (1,986 m). Black Elk Peak is 682 feet higher than Mount Bogong.
Lowest point: South Dakota's lowest point is Big Stone Lake at 966 feet; Victoria's is Southern Ocean at 0 feet. Victoria's lowest point is 966 feet lower.
South Dakota vs Victoria Population and History
Population: South Dakota has a population of 924,669 (2024), while Victoria has 7,104,349 (2025). Victoria's population is 7.7 times (668%) larger than South Dakota's.
Population density: South Dakota: 12.2 people per square mile vs Victoria: 80.9. Victoria's population density is 6.6 times (563%) higher than South Dakota's.
Largest metro area: South Dakota's largest metropolitan area is Sioux Falls, SD-MN metro area (308,266 people) vs Victoria's Greater Melbourne (5,435,590). Greater Melbourne's population is 17.6 times larger than Sioux Falls, SD-MN metro area's.
History: South Dakota: Admitted to the Union on November 2, 1889, as the 40th state. Victoria: Became an Australian state at Federation on January 1, 1901; separated from New South Wales in 1851. In its current form, South Dakota is the older of the two by 12 years.
South Dakota vs Victoria Economy
GDP: South Dakota's GDP is $76.8 billion (2024) vs Victoria's $406.1 billion. Victoria's economic output is 5.3 times (429%) larger than South Dakota's.
GDP per capita: South Dakota: $83,052 per person vs Victoria: $57,162. South Dakota's GDP per capita is 1.5 times (45%) higher than Victoria's.
Official Websites
South Dakota official website · Victoria official website
More Size Comparisons
All South Dakota 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.