The map above shows North Dakota and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
North Dakota vs South Australia Geography
Land area
- North Dakota has a land area of 68,994 square miles (178,694 km²), while South Australia has 380,048 square miles (984,321 km²).
- South Australia's land area is 5.5 times (451%) larger than North Dakota's.
Total area
- North Dakota: 70,699 square miles (183,109 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water.
- South Australia's total area is 5.4 times (438%) larger than North Dakota's.
Length
- North Dakota is 338 miles (544 km) long from north to south; South Australia is 1,078 miles (1,735 km).
- South Australia's north-south length is 3.2 times (219%) longer than North Dakota's.
Width
- North Dakota spans 408 miles (657 km) east to west; South Australia spans 825 miles (1,328 km).
- South Australia's east-west width is 2.0 times (102%) wider than North Dakota's.
Highest point
- North Dakota's highest point is White Butte at 3,500 feet (1,067 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m).
- Mount Woodroffe is 1,208 feet higher than White Butte.
Lowest point
- North Dakota's lowest point is Red River of the North at 754 feet; South Australia's is Lake Eyre at -49 feet.
- South Australia's lowest point is 803 feet lower.
North Dakota vs South Australia Population and History
Population
- North Dakota has a population of 796,568 (2024), while South Australia has 1,908,182 (2025).
- South Australia's population is 2.4 times (140%) larger than North Dakota's.
Population density
- North Dakota: 11.5 people per square mile vs South Australia: 5.0.
- North Dakota's population density is 2.3 times (130%) higher than South Australia's.
Largest metro area
- North Dakota's largest metropolitan area is Fargo, ND-MN metro area (267,793 people) vs South Australia's Greater Adelaide (1,491,015).
- Greater Adelaide's population is 5.6 times (457%) larger than Fargo, ND-MN metro area's.
History
- North Dakota: Admitted to the Union on November 2, 1889, as the 39th state.
- South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836.
- In its current form, North Dakota is the older of the two by 12 years.
North Dakota vs South Australia Economy
GDP
- North Dakota's GDP is $80.1 billion (2024) vs South Australia's $100.2 billion.
- South Australia's economic output is 1.3 times (25%) larger than North Dakota's.
GDP per capita
- North Dakota: $100,504 per person vs South Australia: $52,511.
- North Dakota's GDP per capita is 1.9 times (91%) higher than South Australia's.
Official Websites
North Dakota official website · South Australia official website
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More Size Comparisons
All North Dakota 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.