ZIP CODE TABULATION AREA
57421
South Dakota · 75 residents · 33.339 sq mi
Population has held roughly steady since 2024. 91% of adults hold a bachelor's degree or higher, well above the national rate of 36%. At a median age of 16.6, residents skew younger than the country as a whole. Poverty is rare here, at 0.0% of residents.
Age, sex & households
Race & ethnicity · 2024
2024
White, non-Hispanic100%(75)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
Housing
Commute & vehicles
44.4%
0.0%
0.0%
55.6%
0.0%
0.0%
Work & employment
People & community
0.0%
0.0%
0.0%
100.0%
100.0%
0.0%
Affordability & inequality
Frequently asked
How many people live in ZIP code 57421?
ZIP code 57421 has about 75 residents according to the 2024 American Community Survey.
How educated are people in ZIP code 57421?
About 90.9% of adults age 25 and over in ZIP code 57421 hold a bachelor's degree or higher.
What is the poverty rate in ZIP code 57421?
About 0.0% of people in ZIP code 57421 live below the federal poverty line.
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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024