South Dakota: state flag, capital and facts
South Dakota is a US state in the Midwest region. Its capital is Pierre, and its postal abbreviation is SD. Known as the Mount Rushmore State, it joined the Union on November 2, 1889 as the 40th state. Its largest city is Sioux Falls.
The South Dakota state flag shows the state seal ringed by gold sun rays on sky blue, with "South Dakota" and "The Mount Rushmore State" around it.
South Dakota at a glance
- Capital
- Pierre
- Largest city
- Sioux Falls
- Nickname
- The Mount Rushmore State
- Statehood
- November 2, 1889 (40th state)
- Region
- Midwest
- Postal abbreviation
- SD
Test your knowledge
States bordering South Dakota
More states in the Midwest
Frequently asked questions
The capital of South Dakota is Pierre.
South Dakota is in the Midwest region of the United States.
The postal abbreviation for South Dakota is SD.
South Dakota is known as the Mount Rushmore State.
South Dakota became the 40th state on November 2, 1889.
South Dakota shares a land border with Iowa, Minnesota, Montana, Nebraska, North Dakota and Wyoming.
The flag of South Dakota shows the state seal ringed by gold sun rays on sky blue, with "South Dakota" and "The Mount Rushmore State" around it.