The map above shows Arizona and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs South Australia Geography
Land area
- Arizona has a land area of 113,655 square miles (294,366 km²), while South Australia has 380,048 square miles (984,321 km²).
- South Australia's land area is 3.3 times (234%) larger than Arizona's.
Total area
- Arizona: 113,985 square miles (295,220 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water.
- South Australia's total area is 3.3 times (233%) larger than Arizona's.
Length
- Arizona is 429 miles (690 km) long from north to south; South Australia is 1,078 miles (1,735 km).
- South Australia's north-south length is 2.5 times (151%) longer than Arizona's.
Width
- Arizona spans 452 miles (727 km) east to west; South Australia spans 825 miles (1,328 km).
- South Australia's east-west width is 1.8 times (83%) wider than Arizona's.
Highest point
- Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m).
- Humphreys Peak is 7,912 feet higher than Mount Woodroffe.
Lowest point
- Arizona's lowest point is Colorado River at 71 feet; South Australia's is Lake Eyre at -49 feet.
- South Australia's lowest point is 120 feet lower.
Arizona vs South Australia Population and History
Population
- Arizona has a population of 7,582,384 (2024), while South Australia has 1,908,182 (2025).
- Arizona's population is 4.0 times (297%) larger than South Australia's.
Population density
- Arizona: 66.7 people per square mile vs South Australia: 5.0.
- Arizona's population density is 13.3 times higher than South Australia's.
Largest metro area
- Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs South Australia's Greater Adelaide (1,491,015).
- Phoenix-Mesa-Chandler, AZ metro area's population is 3.5 times (248%) larger than Greater Adelaide's.
History
- Arizona: Admitted to the Union on February 14, 1912, as the 48th state.
- 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 11 years.
Arizona vs South Australia Economy
GDP
- Arizona's GDP is $570.1 billion (2024) vs South Australia's $100.2 billion.
- Arizona's economic output is 5.7 times (469%) larger than South Australia's.
GDP per capita
- Arizona: $75,186 per person vs South Australia: $52,511.
- Arizona's GDP per capita is 1.4 times (43%) higher than South Australia's.
Official Websites
Arizona official website · South Australia official website
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More Size Comparisons
All Arizona 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.