The map above shows South Dakota and China side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs China Geography
Land area
- South Dakota has a land area of 75,808 square miles (196,342 km²), while China has 3,600,947 square miles (9,326,410 km²).
- China's land area is 47.5 times larger than South Dakota's.
Total area
- South Dakota: 77,116 square miles (199,729 km²) vs China: 3,705,407 square miles (9,596,960 km²), including inland and coastal water.
- China's total area is 48.0 times larger than South Dakota's.
Length
- South Dakota is 443 miles (712 km) long from north to south; China is 2,551 miles (4,105 km).
- China's north-south length is 5.8 times (476%) longer than South Dakota's.
Width
- South Dakota spans 371 miles (597 km) east to west; China spans 3,040 miles (4,892 km).
- China's east-west width is 8.2 times (719%) wider than South Dakota's.
Highest point
- South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); China's is Mount Everest at 29,032 feet (8,849 m).
- Mount Everest is 21,834 feet higher than Black Elk Peak.
Lowest point
- South Dakota's lowest point is Big Stone Lake at 966 feet; China's is Turpan Depression at -505 feet.
- China's lowest point is 1,471 feet lower.
South Dakota vs China Population and History
Population
- South Dakota has a population of 924,669 (2024), while China has 1,404,890,000 (2025).
- China's population is 1,519.3 times larger than South Dakota's.
Population density
- South Dakota: 12.2 people per square mile vs China: 390.1.
- China's population density is 32.0 times higher than South Dakota's.
Biggest city
- South Dakota's biggest city is Sioux Falls with 209,289 people; China's is Shanghai with 24,870,895.
- Shanghai's population is 118.8 times larger than Sioux Falls'.
Largest metro area
- South Dakota's largest metropolitan area is Sioux Falls, SD-MN metro area (308,266 people) vs China's Shanghai (29,558,908).
- Shanghai's population is 95.9 times larger than Sioux Falls, SD-MN metro area's.
History
- South Dakota: Admitted to the Union on November 2, 1889, as the 40th state.
- China: The People's Republic of China was founded on October 1, 1949.
- In its current form, South Dakota is the older of the two by 60 years.
South Dakota vs China Economy
GDP
- South Dakota's GDP is $76.8 billion (2024) vs China's $19,498.0 billion.
- China's economic output is 253.9 times larger than South Dakota's.
GDP per capita
- South Dakota: $83,052 per person vs China: $13,862.
- South Dakota's GDP per capita is 6.0 times (499%) higher than China's.
Average income
- South Dakota: $75,699 vs China: $14,230 average income per person (per capita personal income).
- South Dakota's average income is 5.3 times (432%) higher than China's.
Official Websites
South Dakota official website · China official website
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More Size Comparisons
All South Dakota size comparisons · All China 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.