The map above shows Alabama and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Alabama vs South Australia Geography
Land area
- Alabama has a land area of 50,651 square miles (131,185 km²), while South Australia has 380,048 square miles (984,321 km²).
- South Australia's land area is 7.5 times (650%) larger than Alabama's.
Total area
- Alabama: 52,420 square miles (135,767 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water.
- South Australia's total area is 7.3 times (625%) larger than Alabama's.
Length
- Alabama is 331 miles (532 km) long from north to south; South Australia is 1,078 miles (1,735 km).
- South Australia's north-south length is 3.3 times (226%) longer than Alabama's.
Width
- Alabama spans 212 miles (341 km) east to west; South Australia spans 825 miles (1,328 km).
- South Australia's east-west width is 3.9 times (289%) wider than Alabama's.
Highest point
- Alabama's highest point is Cheaha Mountain at 2,405 feet (733 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m).
- Mount Woodroffe is 2,303 feet higher than Cheaha Mountain.
Lowest point
- Alabama's lowest point is Gulf of Mexico at 0 feet; South Australia's is Lake Eyre at -49 feet.
- South Australia's lowest point is 49 feet lower.
Alabama vs South Australia Population and History
Population
- Alabama has a population of 5,157,699 (2024), while South Australia has 1,908,182 (2025).
- Alabama's population is 2.7 times (170%) larger than South Australia's.
Population density
- Alabama: 101.8 people per square mile vs South Australia: 5.0.
- Alabama's population density is 20.4 times higher than South Australia's.
Largest metro area
- Alabama's largest metropolitan area is Birmingham, AL metro area (1,192,583 people) vs South Australia's Greater Adelaide (1,491,015).
- Greater Adelaide's population is 1.3 times (25%) larger than Birmingham, AL metro area's.
History
- Alabama: Admitted to the Union on December 14, 1819, as the 22nd state.
- South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836.
- In its current form, Alabama is the older of the two by 82 years.
Alabama vs South Australia Economy
GDP
- Alabama's GDP is $325.3 billion (2024) vs South Australia's $100.2 billion.
- Alabama's economic output is 3.2 times (225%) larger than South Australia's.
GDP per capita
- Alabama: $63,080 per person vs South Australia: $52,511.
- Alabama's GDP per capita is 1.2 times (20%) higher than South Australia's.
Official Websites
Alabama official website · South Australia official website
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More Size Comparisons
All Alabama 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.