The map above shows Kansas and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kansas vs South Australia Geography
Land area: Kansas has a land area of 81,759 square miles (211,754 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 4.6 times (365%) larger than Kansas'.
Total area: Kansas: 82,278 square miles (213,100 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 4.6 times (362%) larger than Kansas'.
Length: Kansas is 207 miles (334 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 5.2 times (421%) longer than Kansas'.
Width: Kansas spans 401 miles (645 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 2.1 times (106%) wider than Kansas'.
Highest point: Kansas's highest point is Mount Sunflower at 4,040 feet (1,231 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Woodroffe is 668 feet higher than Mount Sunflower.
Lowest point: Kansas's lowest point is Verdigris River at 679 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 728 feet lower.
Kansas vs South Australia Population and History
Population: Kansas has a population of 2,970,606 (2024), while South Australia has 1,908,182 (2025). Kansas' population is 1.6 times (56%) larger than South Australia's.
Population density: Kansas: 36.3 people per square mile vs South Australia: 5.0. Kansas' population density is 7.3 times (626%) higher than South Australia's.
Largest metro area: Kansas's largest metropolitan area is Kansas City, MO-KS metro area (2,253,579 people) vs South Australia's Greater Adelaide (1,491,015). Kansas City, MO-KS metro area's population is 1.5 times (51%) larger than Greater Adelaide's.
History: Kansas: Admitted to the Union on January 29, 1861, as the 34th state. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, Kansas is the older of the two by 40 years.
Kansas vs South Australia Economy
GDP: Kansas's GDP is $230.5 billion (2024) vs South Australia's $100.2 billion. Kansas' economic output is 2.3 times (130%) larger than South Australia's.
GDP per capita: Kansas: $77,601 per person vs South Australia: $52,511. Kansas' GDP per capita is 1.5 times (48%) higher than South Australia's.
Official Websites
Kansas official website · South Australia official website
More Size Comparisons
All Kansas 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.