The map above shows South Dakota and Quebec side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs Quebec Geography
Land area: South Dakota has a land area of 75,808 square miles (196,342 km²), while Quebec has 527,079 square miles (1,365,128 km²). Quebec's land area is 7.0 times (595%) larger than South Dakota's.
Total area: South Dakota: 77,116 square miles (199,729 km²) vs Quebec: 595,391 square miles (1,542,056 km²), including inland and coastal water. Quebec's total area is 7.7 times (672%) larger than South Dakota's.
Length: South Dakota is 443 miles (712 km) long from north to south; Quebec is 1,221 miles (1,965 km). Quebec's north-south length is 2.8 times (176%) longer than South Dakota's.
Width: South Dakota spans 371 miles (597 km) east to west; Quebec spans 963 miles (1,550 km). Quebec's east-west width is 2.6 times (160%) wider than South Dakota's.
Highest point: South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); Quebec's is Mont d'Iberville at 5,420 feet (1,652 m). Black Elk Peak is 1,778 feet higher than Mont d'Iberville.
Lowest point: South Dakota's lowest point is Big Stone Lake at 966 feet; Quebec's is Gulf of St. Lawrence at 0 feet. Quebec's lowest point is 966 feet lower.
South Dakota vs Quebec Population and History
Population: South Dakota has a population of 924,669 (2024), while Quebec has 9,033,887 (2026). Quebec's population is 9.8 times (877%) larger than South Dakota's.
Population density: South Dakota: 12.2 people per square mile vs Quebec: 17.1. Quebec's population density is 1.4 times (40%) higher than South Dakota's.
Biggest city: South Dakota's biggest city is Sioux Falls with 209,289 people; Quebec's is Montreal with 1,762,949. Montreal's population is 8.4 times (742%) larger than Sioux Falls'.
Largest metro area: South Dakota's largest metropolitan area is Sioux Falls, SD-MN metro area (308,266 people) vs Quebec's Montreal CMA (4,291,732). Montreal CMA's population is 13.9 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. Quebec: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Quebec is the older of the two by 22 years.
South Dakota vs Quebec Economy
GDP: South Dakota's GDP is $76.8 billion (2024) vs Quebec's $450.3 billion. Quebec's economic output is 5.9 times (486%) larger than South Dakota's.
GDP per capita: South Dakota: $83,052 per person vs Quebec: $50,059. South Dakota's GDP per capita is 1.7 times (66%) higher than Quebec's.
Official Websites
South Dakota official website · Quebec official website
More Size Comparisons
All South Dakota size comparisons · All Quebec 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.