57571 Frequently Asked Questions

A: ZIP Code 57571 is Located in Saint Charles South Dakota. Portions of 57571 are also in St. Charles, East Gregory.

A: ZIP Code 57571 is Located Entirely in Gregory County South Dakota.

A: The Current Sales Tax in ZIP Code 57571 is 4.2%

A: The Area Code for 57571 is 605.

A: ZIP Code 57571 is in South Dakota State House of Representatives District 21.

A: ZIP Code 57571 is in South Dakota State Senate District 21.

A: The 2022 population of ZIP Code 57571 is 31. The population growth rate in 57571 is 25.00%.

A: The majority race/ethnicity of people residing in 57571 is Native American (60.00%).

A: The median household income in 57571 is $15,750 (2021) and the average adjusted income is $0 ().