The map above shows South Dakota and Newfoundland and Labrador side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs Newfoundland and Labrador Geography
Land area: South Dakota has a land area of 75,808 square miles (196,342 km²), while Newfoundland and Labrador has 144,353 square miles (373,872 km²). Newfoundland and Labrador's land area is 1.9 times (90%) larger than South Dakota's.
Total area: South Dakota: 77,116 square miles (199,729 km²) vs Newfoundland and Labrador: 156,453 square miles (405,212 km²), including inland and coastal water. Newfoundland and Labrador's total area is 2.0 times (103%) larger than South Dakota's.
Length: South Dakota is 443 miles (712 km) long from north to south; Newfoundland and Labrador is 1,045 miles (1,681 km). Newfoundland and Labrador's north-south length is 2.4 times (136%) longer than South Dakota's.
Width: South Dakota spans 371 miles (597 km) east to west; Newfoundland and Labrador spans 799 miles (1,286 km). Newfoundland and Labrador's east-west width is 2.2 times (115%) wider than South Dakota's.
Highest point: South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); Newfoundland and Labrador's is Mount Caubvick at 5,420 feet (1,652 m). Black Elk Peak is 1,778 feet higher than Mount Caubvick.
Lowest point: South Dakota's lowest point is Big Stone Lake at 966 feet; Newfoundland and Labrador's is Atlantic Ocean at 0 feet. Newfoundland and Labrador's lowest point is 966 feet lower.
South Dakota vs Newfoundland and Labrador Population and History
Population: South Dakota has a population of 924,669 (2024), while Newfoundland and Labrador has 548,557 (2026). South Dakota's population is 1.7 times (69%) larger than Newfoundland and Labrador's.
Population density: South Dakota: 12.2 people per square mile vs Newfoundland and Labrador: 3.8. South Dakota's population density is 3.2 times (221%) higher than Newfoundland and Labrador's.
Biggest city: South Dakota's biggest city is Sioux Falls with 209,289 people; Newfoundland and Labrador's is St. John's with 110,525. Sioux Falls' population is 1.9 times (89%) larger than St. John's'.
Largest metro area: South Dakota's largest metropolitan area is Sioux Falls, SD-MN metro area (308,266 people) vs Newfoundland and Labrador's St. John's CMA (212,579). Sioux Falls, SD-MN metro area's population is 1.5 times (45%) larger than St. John's CMA's.
History: South Dakota: Admitted to the Union on November 2, 1889, as the 40th state. Newfoundland and Labrador: Joined Confederation on March 31, 1949, the last province to join. In its current form, South Dakota is the older of the two by 60 years.
South Dakota vs Newfoundland and Labrador Economy
GDP: South Dakota's GDP is $76.8 billion (2024) vs Newfoundland and Labrador's $30.8 billion. South Dakota's economic output is 2.5 times (149%) larger than Newfoundland and Labrador's.
GDP per capita: South Dakota: $83,052 per person vs Newfoundland and Labrador: $56,364. South Dakota's GDP per capita is 1.5 times (47%) higher than Newfoundland and Labrador's.
Official Websites
South Dakota official website · Newfoundland and Labrador official website
More Size Comparisons
All South Dakota size comparisons · All Newfoundland and Labrador 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.