The map above shows South Dakota and Australian Capital Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs Australian Capital Territory Geography
Land area
- South Dakota has a land area of 75,808 square miles (196,342 km²), while Australian Capital Territory has 910 square miles (2,358 km²).
- South Dakota's land area is 83.3 times larger than Australian Capital Territory's.
Total area
- South Dakota: 77,116 square miles (199,729 km²) vs Australian Capital Territory: 910 square miles (2,358 km²), including inland and coastal water.
- South Dakota's total area is 84.7 times larger than Australian Capital Territory's.
Length
- South Dakota is 443 miles (712 km) long from north to south; Australian Capital Territory is 54 miles (87 km).
- South Dakota's north-south length is 8.2 times (720%) longer than Australian Capital Territory's.
Width
- South Dakota spans 371 miles (597 km) east to west; Australian Capital Territory spans 38 miles (61 km).
- South Dakota's east-west width is 9.8 times (876%) wider than Australian Capital Territory's.
Highest point
- South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); Australian Capital Territory's is Bimberi Peak at 6,273 feet (1,912 m).
- Black Elk Peak is 925 feet higher than Bimberi Peak.
Lowest point
- South Dakota's lowest point is Big Stone Lake at 966 feet; Australian Capital Territory's is Molonglo River at 1,407 feet.
- South Dakota's lowest point is 441 feet lower.
South Dakota vs Australian Capital Territory Population and History
Population
- South Dakota has a population of 924,669 (2024), while Australian Capital Territory has 486,231 (2025).
- South Dakota's population is 1.9 times (90%) larger than Australian Capital Territory's.
Population density
- South Dakota: 12.2 people per square mile vs Australian Capital Territory: 534.3.
- Australian Capital Territory's population density is 43.8 times higher than South Dakota's.
Largest metro area
- South Dakota's largest metropolitan area is Sioux Falls, SD-MN metro area (308,266 people) vs Australian Capital Territory's Greater Canberra (486,231).
- Greater Canberra's population is 1.6 times (58%) larger than Sioux Falls, SD-MN metro area's.
History
- South Dakota: Admitted to the Union on November 2, 1889, as the 40th state.
- Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911.
- In its current form, South Dakota is the older of the two by 22 years.
South Dakota vs Australian Capital Territory Economy
GDP
- South Dakota's GDP is $76.8 billion (2024) vs Australian Capital Territory's $38.0 billion.
- South Dakota's economic output is 2.0 times (102%) larger than Australian Capital Territory's.
GDP per capita
- South Dakota: $83,052 per person vs Australian Capital Territory: $78,152.
- South Dakota's GDP per capita is 1.1 times (6%) higher than Australian Capital Territory's.
Official Websites
South Dakota official website · Australian Capital Territory official website
Download the South Dakota vs Australian Capital Territory Size Comparison Map for free
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More Size Comparisons
All South Dakota size comparisons · All Australian Capital Territory 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.