Vehicle registration plates of South Dakota

The U.S. state of South Dakota first required its residents to register their motor vehicles in 1905. Registrants provided their own license plates for display until 1913, when the state began to issue plates.

, plates are issued by the South Dakota Department of Revenue through its Motor Vehicle Division. Front and rear plates are required for most classes of vehicles, while only rear plates are required for motorcycles and trailers.

1913 to 1975
In 1956, the United States, Canada, and Mexico came to an agreement with the American Association of Motor Vehicle Administrators, the Automobile Manufacturers Association and the National Safety Council that standardized the size for license plates for vehicles (except those for motorcycles) at 6 in in height by 12 in in width, with standardized mounting holes. The 1955 (dated 1956) issue was the first South Dakota license plate that complied with these standards.