The map above shows Vermont and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Vermont vs South Australia Geography
Land area: Vermont has a land area of 9,217 square miles (23,873 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 41.2 times larger than Vermont's.
Total area: Vermont: 9,615 square miles (24,903 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 39.5 times larger than Vermont's.
Length: Vermont is 165 miles (265 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 6.5 times (553%) longer than Vermont's.
Width: Vermont spans 113 miles (181 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 7.3 times (630%) wider than Vermont's.
Highest point: Vermont's highest point is Mount Mansfield at 4,384 feet (1,336 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Woodroffe is 324 feet higher than Mount Mansfield.
Lowest point: Vermont's lowest point is Lake Champlain at 95 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 144 feet lower.
Vermont vs South Australia Population and History
Population: Vermont has a population of 648,493 (2024), while South Australia has 1,908,182 (2025). South Australia's population is 2.9 times (194%) larger than Vermont's.
Population density: Vermont: 70.4 people per square mile vs South Australia: 5.0. Vermont's population density is 14.1 times higher than South Australia's.
Largest metro area: Vermont's largest metropolitan area is Burlington-South Burlington, VT metro area (229,445 people) vs South Australia's Greater Adelaide (1,491,015). Greater Adelaide's population is 6.5 times (550%) larger than Burlington-South Burlington, VT metro area's.
History: Vermont: Admitted to the Union on March 4, 1791, as the 14th state. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, Vermont is the older of the two by 110 years.
Vermont vs South Australia Economy
GDP: Vermont's GDP is $46.3 billion (2024) vs South Australia's $100.2 billion. South Australia's economic output is 2.2 times (116%) larger than Vermont's.
GDP per capita: Vermont: $71,359 per person vs South Australia: $52,511. Vermont's GDP per capita is 1.4 times (36%) higher than South Australia's.
Official Websites
Vermont official website · South Australia official website
More Size Comparisons
All Vermont 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.