When sending packages, greeting cards, and business documents to someone, or even looking up an address online or filling in documents for business or personal purposes, you will realize it is essential that you know and use the state postal abbreviation.

The US is made up of 50 states, all with their own unique two-letter postal abbreviations, it can be a struggle remembering the two letters required when filling in an address, especially when some states have very similar lettering. Let’s consider the abbreviation for South Dakota.

SD State Abbreviation

When it comes to the abbreviation for South Dakota, it leaves little to the imagination when trying to figure out which two letters are used to form the state initials. The first letter from each word makes up the postal abbreviation for South Dakota, “SD”.



SD State Abbreviation

Now that you know the two-letter SD state abbreviation, it makes sense to know what the regular (long-form) state name abbreviation for South Dakota is. The regular abbreviations to states’ names came out in 1963, but many were three to four letters in length and it was decided they would be too long to include on envelopes and packages as addressing equipment couldn’t accommodate these longer state abbreviations in addition to zip codes.

The SD state abbreviation is relatively easy to remember, it is the exact same as the South Dakota initials but with a period in the middle and at the end of the two letters, “S.D.”. South Dakota is becoming an increasingly popular destination and Sioux Falls consistently ranks in the top 50 growing cities in the United States and is the fastest-growing city in South Dakota. There are a number of white-collar jobs in Sioux Falls and the surrounding areas primarily from major financial institutions that headquarter themselves in South Dakota for the low corporate state income tax. If you are interested in finding out more regarding the minimum wage in South Dakota, check out our page dedicated to this.

All 50 states have many similarities and many differences, one thing all states share is a motto, usually derived from a historical event, a famous landmark, and sometimes an animal people use to associate with the state! South Dakota’s motto is “Under God the People Rule”, this is a reflection of the states great seal, which was designed when the state was only a territory, in 1885.

People use the SD state abbreviation all the time in everyday life and business, and it is also important to know the unique two-letter abbreviation representing each state in the U.S. as the probability of you needing to commit them to memory is quite high.

Check out our United States Abbreviations table where you can see all 50 states including the South Dakota initials. Each state is listed in a convenient table in alphabetical order showing each state’s unique two-letter postal abbreviation and regular abbreviation. There is also a downloadable PDF table you can keep on your computer or mobile device or print for future reference.