Flags United States — State Flags South Dakota

Flag of South Dakota

state

The flag of South Dakota was adopted on July 1, 1992. Sky blue field with the state seal in a ring of sun rays. It uses 2 colours: sky blue and gold. The official proportions are 3:5.

The national flag of South Dakota
Hoist Ratio 3:5 Fly

Basic Flag Information

Flag Name Flag of South Dakota
Country South Dakota
Official Country Name State of South Dakota
Continent North America
Region United States
ISO Country Code US-SD
Internet Domain .us
Calling Code +1
Currency United States dollar (USD)
National Language(s) English

Flag Specifications

Official Flag Name Flag of South Dakota
Adopted On July 1, 1992
Current Version Adopted July 1, 1992
Flag Proportion 3:5
Flag Shape Rectangle
Number of Colors 2
Main Colors Sky Blue, Gold
Design Type Sky blue field with the state seal in a ring of sun rays
Official Status Official State Flag
Government Authority State Government of South Dakota

Flag Color Information

Color Appearance HEX Code RGB CMYK
Sky Blue #3A7DBE 58, 125, 190 69, 34, 0, 25
Gold #FFD100 255, 209, 0 0, 18, 100, 0

Flag Design and Symbols

Sky Blue colour Represents the field
Gold colour Represents the sun rays and lettering
Blazing sun The state’s nickname, The Mount Rushmore State, encircling the seal
Seal scene A farmer, a steamboat, a smelting furnace and cattle — farming, transport, mining and ranching

Flag History

Year / Period Event
1992-07-01 The current flag was officially adopted
Present The flag remains in official use
Present The flag remains in official use

Flag Dimensions and Construction

Official Ratio 3:5
Width 3 units (hoist)
Length 5 units (fly)

South Dakota Flag Usage

Government Buildings Yes
Schools Yes
Civil Use Yes
Official Ceremonies Yes
Sports Events Yes

Other Official Flags of South Dakota

Flag Type Use Link
National Flag National representation View flag
Civil Flag Used by civilians View flag
State Flag Used by government View flag
War Flag Used during military operations View flag
Naval Ensign Used by the navy View flag
Air Force Flag Used by the air force View flag
Presidential Standard Used by the head of state View flag
Royal Standard Used by the monarch View flag
Historical Flag Previous national flag View flag

Quick Facts About the Flag

Flag Age 34 years old as of 2026
Adoption Date July 1, 1992
Most Common Color Sky Blue
Similar Flags Alaska, Aruba, Brazil
Unique Feature Sky blue field with the state seal in a ring of sun rays

Other plain field with a central emblem flags

See all

Facts about the Flag of South Dakota

  1. The sun's rays surround a seal showing a farmer, a steamboat, a smelting furnace and cattle — an inventory of the state's economy at the time of statehood.
  2. The wording around the seal was changed in 1992 from The Sunshine State to The Mount Rushmore State.
  3. The flag of South Dakota was officially adopted on July 1, 1992.
  4. The flag in its present form is 34 years old as of 2026.
  5. Design type: Sky blue field with the state seal in a ring of sun rays.
  6. The official proportions are 3:5. It shares that ratio with 20 national flags.
  7. The flag uses 2 colours: sky blue and gold.
  8. The sky blue on the flag stands for the field.
  9. The gold on the flag stands for the sun rays and lettering.
  10. Blazing sun: The state’s nickname, The Mount Rushmore State, encircling the seal.
  11. Seal scene: A farmer, a steamboat, a smelting furnace and cattle — farming, transport, mining and ranching.
  12. The design belongs to the "Plain field with a central emblem" family, shared with 70 other flags in this reference.
  13. Flags most often confused with it: Alaska, Aruba and Brazil.
  14. South Dakota joined the Union on 2 November 1889, as the 40th state.
  15. Rodeo is the official state sport.
  16. The state is nicknamed The Mount Rushmore State.
  17. The state bird is the ring-necked pheasant.
  18. The state flower is the pasque flower.

Frequently Asked Questions about the Flag of South Dakota

When was the flag of South Dakota adopted?

The flag of South Dakota was officially adopted on July 1, 1992.

What do the colours of the flag of South Dakota mean?

Sky blue for the field and gold for the sun rays and lettering.

When did South Dakota become a state?

South Dakota entered the Union on 2 November 1889, as the 40th state.

What is the state sport of South Dakota?

Rodeo is the official state sport.

What do the symbols on the flag of South Dakota represent?

Blazing sun — The state’s nickname, The Mount Rushmore State, encircling the seal. Seal scene — A farmer, a steamboat, a smelting furnace and cattle — farming, transport, mining and ranching.

What are the proportions of the flag of South Dakota?

The official ratio is 3:5, which makes the flag rectangular. It shares those proportions with 20 national flags.

What are the state symbols of South Dakota?

The state bird is the ring-necked pheasant, the state flower is the pasque flower and the motto is "Under God the people rule".

Which flags look similar to the flag of South Dakota?

The closest matches are Alaska, Aruba and Brazil, which share both the construction and most of the colours.

How many colours are on the flag of South Dakota?

It uses 2 colours: sky blue and gold.

Can I download the flag of South Dakota for free?

Yes. This page offers the flag of South Dakota in SVG, PNG, JPG and WebP at several sizes. The files are free to use for any purpose and no attribution is required.