57440 Frequently Asked Questions

A: ZIP Code 57440 is Located in Frankfort South Dakota. Portions of 57440 are also in Camrose Colony, Glendale Colony, Spink Colony, Frankfort Township, Lincoln Township (Spink County), Harmony Township (Spink County), Harrison Township, Prairie Center Township (Spink County), Antelope Township (Spink County), Belle Plaine Township, Cornwall Township, Lodi Township.

A: ZIP Code 57440 is Located Entirely in Spink County South Dakota.

A: The Current Sales Tax in ZIP Code 57440 is 6.2%

A: The Area Code for 57440 is 605.

A: ZIP Code 57440 is in South Dakota State House of Representatives District 22.

A: ZIP Code 57440 is in South Dakota State Senate District 22.

A: The 2022 population of ZIP Code 57440 is 506. The population growth rate in 57440 is -16.85%. The population density of 57440 is 4.

A: The majority race/ethnicity of people residing in 57440 is White (99.81%). The majority race/ethnicity of students attending public schools in 57440 is White(100.00%).

A: The median household income in 57440 is $53,750 (2021) and the average adjusted income is $247,680 (2021).