The map above shows New York and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New York vs South Australia Geography
Land area: New York has a land area of 47,123 square miles (122,049 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 8.1 times (706%) larger than New York's.
Total area: New York: 54,559 square miles (141,306 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 7.0 times (597%) larger than New York's.
Length: New York is 312 miles (503 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 3.5 times (246%) longer than New York's.
Width: New York spans 415 miles (668 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 2.0 times (99%) wider than New York's.
Highest point: New York's highest point is Mount Marcy at 5,335 feet (1,626 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Marcy is 627 feet higher than Mount Woodroffe.
Lowest point: New York's lowest point is Atlantic Ocean at 0 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 49 feet lower.
New York vs South Australia Population and History
Population: New York has a population of 19,867,248 (2024), while South Australia has 1,908,182 (2025). New York's population is 10.4 times larger than South Australia's.
Population density: New York: 421.6 people per square mile vs South Australia: 5.0. New York's population density is 84.3 times higher than South Australia's.
Largest metro area: New York's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs South Australia's Greater Adelaide (1,491,015). New York-Newark-Jersey City, NY-NJ metro area's population is 13.4 times larger than Greater Adelaide's.
History: New York: Admitted to the Union on July 26, 1788, as the 11th state. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, New York is the older of the two by 113 years.
New York vs South Australia Economy
GDP: New York's GDP is $2,322.1 billion (2024) vs South Australia's $100.2 billion. New York's economic output is 23.2 times larger than South Australia's.
GDP per capita: New York: $116,883 per person vs South Australia: $52,511. New York's GDP per capita is 2.2 times (123%) higher than South Australia's.
Official Websites
New York official website · South Australia official website
More Size Comparisons
All New York 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.