57640 Frequently Asked Questions

A: ZIP Code 57640 is Located in Lodgepole South Dakota. Portions of 57640 are also in North Perkins, Horse Creek Township, Grand River Township, Cash Township, Wilson Township (Perkins County), Lodgepole Township, Fredlund Township.

A: ZIP Code 57640 is Located Entirely in Perkins County South Dakota.

A: The Current Sales Tax in ZIP Code 57640 is 4.2%

A: The Area Code for 57640 is 605.

A: 57640 is within South Dakota State House of Representatives District 28A and South Dakota State House of Representatives District 28B.

A: ZIP Code 57640 is in South Dakota State Senate District 28.

A: The 2022 population of ZIP Code 57640 is 44. The population growth rate in 57640 is -26.27%.

A: The majority race/ethnicity of people residing in 57640 is White (100.00%).

A: The median household income in 57640 is $100,833 (2021) and the average adjusted income is $-1 ().