The map above shows Alberta and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Alberta vs South Australia Geography
Land area: Alberta has a land area of 248,000 square miles (642,317 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 1.5 times (53%) larger than Alberta's.
Total area: Alberta: 255,541 square miles (661,848 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 1.5 times (49%) larger than Alberta's.
Length: Alberta is 810 miles (1,303 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 1.3 times (33%) longer than Alberta's.
Width: Alberta spans 544 miles (876 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 1.5 times (52%) wider than Alberta's.
Highest point: Alberta's highest point is Mount Columbia at 12,293 feet (3,747 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Columbia is 7,585 feet higher than Mount Woodroffe.
Lowest point: Alberta's lowest point is Slave River at 499 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 548 feet lower.
Alberta vs South Australia Population and History
Population: Alberta has a population of 5,048,151 (2026), while South Australia has 1,908,182 (2025). Alberta's population is 2.6 times (165%) larger than South Australia's.
Population density: Alberta: 20.4 people per square mile vs South Australia: 5.0. Alberta's population density is 4.1 times (308%) higher than South Australia's.
Largest metro area: Alberta's largest metropolitan area is Calgary CMA (1,481,806 people) vs South Australia's Greater Adelaide (1,491,015). Calgary CMA and Greater Adelaide have about the same population.
History: Alberta: Joined Confederation on September 1, 1905. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, South Australia is the older of the two by 4 years.
Alberta vs South Australia Economy
GDP: Alberta's GDP is $346.0 billion (2024) vs South Australia's $100.2 billion. Alberta's economic output is 3.5 times (245%) larger than South Australia's.
GDP per capita: Alberta: $70,487 per person vs South Australia: $52,511. Alberta's GDP per capita is 1.3 times (34%) higher than South Australia's.
Official Websites
Alberta official website · South Australia official website
More Size Comparisons
All Alberta 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.