The map above shows New Hampshire and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Hampshire vs South Australia Geography
Land area
- New Hampshire has a land area of 8,954 square miles (23,190 km²), while South Australia has 380,048 square miles (984,321 km²).
- South Australia's land area is 42.4 times larger than New Hampshire's.
Total area
- New Hampshire: 9,350 square miles (24,216 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water.
- South Australia's total area is 40.6 times larger than New Hampshire's.
Length
- New Hampshire is 180 miles (290 km) long from north to south; South Australia is 1,078 miles (1,735 km).
- South Australia's north-south length is 6.0 times (499%) longer than New Hampshire's.
Width
- New Hampshire spans 95 miles (152 km) east to west; South Australia spans 825 miles (1,328 km).
- South Australia's east-west width is 8.7 times (768%) wider than New Hampshire's.
Highest point
- New Hampshire's highest point is Mount Washington at 6,277 feet (1,913 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m).
- Mount Washington is 1,569 feet higher than Mount Woodroffe.
Lowest point
- New Hampshire'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 Hampshire vs South Australia Population and History
Population
- New Hampshire has a population of 1,409,032 (2024), while South Australia has 1,908,182 (2025).
- South Australia's population is 1.4 times (35%) larger than New Hampshire's.
Population density
- New Hampshire: 157.4 people per square mile vs South Australia: 5.0.
- New Hampshire's population density is 31.5 times higher than South Australia's.
Largest metro area
- New Hampshire's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs South Australia's Greater Adelaide (1,491,015).
- Boston-Cambridge-Newton, MA-NH metro area's population is 3.4 times (237%) larger than Greater Adelaide's.
History
- New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state.
- South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836.
- In its current form, New Hampshire is the older of the two by 113 years.
New Hampshire vs South Australia Economy
GDP
- New Hampshire's GDP is $119.3 billion (2024) vs South Australia's $100.2 billion.
- New Hampshire's economic output is 1.2 times (19%) larger than South Australia's.
GDP per capita
- New Hampshire: $84,694 per person vs South Australia: $52,511.
- New Hampshire's GDP per capita is 1.6 times (61%) higher than South Australia's.
Official Websites
New Hampshire official website · South Australia official website
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More Size Comparisons
All New Hampshire 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.