South Dakota Zip Codes

South Dakota has a total of 383 ZIP codes, reflecting its predominantly rural landscape with a few growing urban centers. All ZIP codes in South Dakota begin with the digits 57, uniquely designating the state. The range starts at 57001 in Alcester, located in the southeastern part of the state, and extends to 57799 in Ellsworth AFB, near Rapid City in the western region.

The 570 to 573 series primarily serves the eastern and central parts of South Dakota, including cities like Sioux Falls, the state’s largest city, and the state capital, Pierre. These areas encompass a mix of urban centers and agricultural regions. The 574 to 577 series covers northern and western South Dakota, including Aberdeen, Rapid City, and smaller towns in the Black Hills region.

South Dakota’s ZIP codes are essential for organizing mail delivery across its varied geography, from bustling urban hubs to remote rural areas. They also play a role in defining school districts, voting precincts, and municipal boundaries while supporting key industries like agriculture, tourism, and energy production.

In the table below, you can see all South Dakota zip codes listed by city, town and village as well as county affiliated. With 363 cities (and towns) and 66 counties (and county-equivalents), South Dakota is the 46th largest state by population (865,454)  and 16th largest one by land area (196,350 km²) in the United States.

The capital of South Dakota is Sioux Falls and major cities include Rapid City, Aberdeen, Brookings, Watertown, and Pierre.

List of South Dakota Zip Codes by City