The map above shows South Dakota and Manitoba side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs Manitoba Geography
Land area: South Dakota has a land area of 75,808 square miles (196,342 km²), while Manitoba has 213,729 square miles (553,556 km²). Manitoba's land area is 2.8 times (182%) larger than South Dakota's.
Total area: South Dakota: 77,116 square miles (199,729 km²) vs Manitoba: 250,116 square miles (647,797 km²), including inland and coastal water. Manitoba's total area is 3.2 times (224%) larger than South Dakota's.
Length: South Dakota is 443 miles (712 km) long from north to south; Manitoba is 767 miles (1,234 km). Manitoba's north-south length is 1.7 times (73%) longer than South Dakota's.
Width: South Dakota spans 371 miles (597 km) east to west; Manitoba spans 516 miles (831 km). Manitoba's east-west width is 1.4 times (39%) wider than South Dakota's.
Highest point: South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); Manitoba's is Baldy Mountain at 2,730 feet (832 m). Black Elk Peak is 4,468 feet higher than Baldy Mountain.
Lowest point: South Dakota's lowest point is Big Stone Lake at 966 feet; Manitoba's is Hudson Bay at 0 feet. Manitoba's lowest point is 966 feet lower.
South Dakota vs Manitoba Population and History
Population: South Dakota has a population of 924,669 (2024), while Manitoba has 1,505,117 (2026). Manitoba's population is 1.6 times (63%) larger than South Dakota's.
Population density: South Dakota: 12.2 people per square mile vs Manitoba: 7.0. South Dakota's population density is 1.7 times (74%) higher than Manitoba's.
Biggest city: South Dakota's biggest city is Sioux Falls with 209,289 people; Manitoba's is Winnipeg with 749,607. Winnipeg's population is 3.6 times (258%) larger than Sioux Falls'.
Largest metro area: South Dakota's largest metropolitan area is Sioux Falls, SD-MN metro area (308,266 people) vs Manitoba's Winnipeg CMA (834,678). Winnipeg CMA's population is 2.7 times (171%) larger than Sioux Falls, SD-MN metro area's.
History: South Dakota: Admitted to the Union on November 2, 1889, as the 40th state. Manitoba: Joined Confederation on July 15, 1870. In its current form, Manitoba is the older of the two by 19 years.
South Dakota vs Manitoba Economy
GDP: South Dakota's GDP is $76.8 billion (2024) vs Manitoba's $70.2 billion. South Dakota's economic output is 1.1 times (9%) larger than Manitoba's.
GDP per capita: South Dakota: $83,052 per person vs Manitoba: $47,034. South Dakota's GDP per capita is 1.8 times (77%) higher than Manitoba's.
Official Websites
South Dakota official website · Manitoba official website
More Size Comparisons
All South Dakota size comparisons · All Manitoba 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.