ZIP CodeStandard
57421
Amherst, SD
ZIP Code 57421 covers Amherst, South Dakota. Browse Census demographics: population, median income, housing units, educational attainment, and health coverage.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
63
People
Median age
16.6
Housing
Total households
18
Income
Median household income
—
Housing
Total housing units
26
Employment
Employment rate
60%
Education
Bachelor’s degree or higher
90.9%
Healthcare
Insured population
100%
Nearby ZIP codes
ZIP codes near 57421.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS