How Big is South Dakota?

State Name
South Dakota
Area (mi²)
77,116
Area (km²)
199,730
Acres
49,355,280
Area Ranking
17
% of US Size
2.13%

Similar-Sized Countries

Compared to Largest State

South Dakota has approximately 11.59% the land area of Alaska. In other words, Alaska is approximately 8.63 times larger than South Dakota.

Compared to Smallest State

Rhode Island has approximately 2% the land area of South Dakota. In other words, South Dakota is approximately 49.91 times larger than Rhode Island.

What is the area of South Dakota?

The area of South Dakota is 77,116 square miles.

Is South Dakota a big or small state?

South Dakota is the 17th largest state in the US.

Which states are similar size to South Dakota?

The next smallest state is Washington and the next largest state is Nebraska.

Frequently Asked Questions