The map above shows Tennessee and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Tennessee vs South Australia Geography
Land area: Tennessee has a land area of 41,224 square miles (106,770 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 9.2 times (822%) larger than Tennessee's.
Total area: Tennessee: 42,130 square miles (109,116 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 9.0 times (802%) larger than Tennessee's.
Length: Tennessee is 191 miles (308 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 5.6 times (464%) longer than Tennessee's.
Width: Tennessee spans 497 miles (800 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 1.7 times (66%) wider than Tennessee's.
Highest point: Tennessee's highest point is Clingmans Dome at 6,624 feet (2,019 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Clingmans Dome is 1,916 feet higher than Mount Woodroffe.
Lowest point: Tennessee's lowest point is Mississippi River at 178 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 227 feet lower.
Tennessee vs South Australia Population and History
Population: Tennessee has a population of 7,227,750 (2024), while South Australia has 1,908,182 (2025). Tennessee's population is 3.8 times (279%) larger than South Australia's.
Population density: Tennessee: 175.3 people per square mile vs South Australia: 5.0. Tennessee's population density is 35.1 times higher than South Australia's.
Largest metro area: Tennessee's largest metropolitan area is Nashville-Davidson--Murfreesboro--Franklin, TN metro area (2,150,553 people) vs South Australia's Greater Adelaide (1,491,015). Nashville-Davidson--Murfreesboro--Franklin, TN metro area's population is 1.4 times (44%) larger than Greater Adelaide's.
History: Tennessee: Admitted to the Union on June 1, 1796, as the 16th state. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, Tennessee is the older of the two by 105 years.
Tennessee vs South Australia Economy
GDP: Tennessee's GDP is $561.2 billion (2024) vs South Australia's $100.2 billion. Tennessee's economic output is 5.6 times (460%) larger than South Australia's.
GDP per capita: Tennessee: $77,645 per person vs South Australia: $52,511. Tennessee's GDP per capita is 1.5 times (48%) higher than South Australia's.
Official Websites
Tennessee official website · South Australia official website
More Size Comparisons
All Tennessee 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.